Frequently Asked Questions

Product Contents

What is in the envo® pro kit?

Each envo® pro respirator kit comes with a mask body, filter cage, three filters, storage case, and Holo headgear.  You may choose either the N95 or N99 kit, which indicates the type of filter protection that comes with the kit.
  • Respirator body:  The respirator body is the main component of the envo® pro, with an interior gel cushion and outer plastic frame that holds the filter. The respirator body comes in two sizes: Regular and Extra-Large.
  • Filter Cage: The filter cage is a plastic frame that holds the filter in place on top of the mask body. It shapes and protects the filter from physical damage caused by handling.
  • Filters (3): Depending on which kit you choose, the envo® pro kit comes with either three N95 filters or three N99 filters with an exhalation valve.  Both filter types are NIOSH-Approved
  • Storage Case:  The storage case makes it easy to keep your mask components clean and in one place.
 

Which headgear comes with the envo® pro respirator?

The envo® pro respirator comes with Holo headgear.

What is in the envo® mask kit?

Each envo® mask respirator kit comes with a mask body, filter cover, five N95 filters, vent plug, storage case, and choice of headgear: Holo or Quickfit.
  • Mask body: The mask body is the main component of the mask, with an interior gel cushion and outer plastic frame that holds the filter.
  • Filter cover: The filter cover is a plastic frame that holds the filter in place on top of the mask body.
  • N95 Filter (5): Each kit comes with five filters that are N95 certified by NIOSH.
  • Vent Plug: The vent plug is a white plastic plug that installs inside the filter cover and plugs the vent holes.
  • Storage Case: The storage case makes it easy to keep all of your mask components clean and in one place.
  • Choice of Headgear: The Holo headgear fits on the crown of your head. The QuickFit headgear has hooks that fit around your ears.
 

Which headgear comes with the envo® mask respirator?

When ordering on envomask.com, you may choose between the Holo or QuickFit headgear. The Holo headgear is automatically the default option if you do not select a headgear.
Product Information

What is the difference between the envo® mask and the envo® pro?

The envo® mask is an elastomeric quarter-facepiece respirator with N95 approval.  It is smaller than the envo® pro, and it comes in one size.  Additionally, the envo® mask is available with or without an exhalation valve. The envo® pro is an elastomeric half-facepiece respirator that comes in two sizes, regular and extra-large.  It is larger than the envo® mask, as it covers the nose, mouth, and chin.  It is available with an N95-approved filter or an N99-approved filter with an exhalation valve.

Can I order both headgear options with my respirator?

Only for the envo® mask. For example, if you order the envo® mask with Holo headgear, you will need to order QuickFit headgear as an accessory.  The envo® pro only works with Holo headgear, and it is not approved for use with QuickFit headgear.

Can I replace my Holo headgear with QuickFit headgear and vice versa?

The headgear is interchangeable only for the envo® mask, but not the envo® pro.

What is the purpose of the envo® mask shield?

The envo® mask shield is a physical barrier that protects the filter. Install the shield by clipping it onto the mask’s filter cover. It is an added measure of protection for those working in harsher environments.  The shield only works with the envo® mask respirator.

What is the purpose of the vent plug on the envo® mask?

The vent plug provides two-way protection in the envo® mask that comes with an exhalation valve. Without the plug, the mask with an exhalation valve protects you from environmental particulates only. If you choose to use the plug, it will protect others from your air droplets that may carry a virus. The vent plug installs inside the filter cover and plugs the vent holes. If you purchase a mask without an exhalation valve, you do not need to use the vent plug.
Usage

Do envo® respirators filter out odors such as gas or vapors?

Envo® mask and envo® pro N95 and N99 respirators do not protect against gases or vapors, and they do not provide oxygen. The “N” designation means the mask is not resistant to the effects of oil mists.

How long can I use a filter before removing and discarding it?

Please follow NIOSH N95 guidelines or consult your company’s safety officer. If the filter reaches maximum load and breathing becomes labored, immediately leave the contaminated environment then replace the filter with a new filter. If the filter material is physically damaged or soiled, you must discard and replace the filter. Always follow the guidelines provided by your company’s safety officer. For additional information, visit the CDC publication on filter usage provided by the National Personal Protective Technology Laboratory (NPPTL). Here is an excerpt from the CDC website published by the National Protective Technology Laboratory (NPPTL).

How is a user seal check performed?

To learn more about how to perform a user seal check, please visit the Center for Disease Control (CDC) website here.

Can the filter be cleaned or reprocessed?

A filter may never be cleaned or reprocessed. Once you remove the filter from the mask, immediately discard the filter.

Are there instructions for use I can download?

envo® mask: Please click here to download a pdf version of the instructions for use (IFU). envo® pro:  Please click here to download a pdf version of the envo® pro instructions for use (IFU).

Does condensation in the mask affect the filter?

Condensation may occur when wearing the mask, which is normal. If condensation occurs, you do not need to replace the filter. Most of the moisture in your breath will escape through the filter of your mask. N95 and N99 respirators trap more moisture than cloth masks, but their filters allow enough air through so that a user can maintain a natural temperature. People experience temperatures differently, and some tend to be warmer than others. Our respirators cover up part of your skin that isn’t typically covered. Thus, this area cannot evaporate sweat and moisture, which may accumulate as you breathe out and moisture becomes trapped under the respirator.
Safety

What is NIOSH?

The National Institute for Occupational Safety and Health (NIOSH) is responsible for conducting research and making recommendations for the prevention of work-related injury and illness. NIOSH is part of the Centers for Disease Control and Prevention, in the Department of Health and Human Services.

Are envo® respirators NIOSH-rated?

Every version of the envo® mask and envo® pro respirators and accessories are NIOSH Certified. The envo® mask filter has a NIOSH N95 certification when used with the components available on envomask.com.  The envo® pro-N95 filter has a NIOSH N95 certification when used with the components available on envomask.com.  The envo® pro-N99 filter has a NIOSH N99 certification when used with the components available on envomask.com.

Are envo® respirators approved by the Food and Drug Administration (FDA)?

Our respirators are not approved by the FDA.

Do I need a fit test to wear an envo® respirator?

According to NIOSH guidelines, tight-fitting respirators used within a workplace respiratory protection program are required to be fit-tested prior to use. Tight-fitting respirators include filtering facepiece respirators, elastomeric half and full-facepiece respirators, tight-fitting powered-air purifying respirators, self-contained breathing apparatus, etc. The Occupational Safety and Health Administration (OSHA) (29 CFR 1910.134) requires respirator users to be fit tested to confirm the fit of any respirator that forms a tight seal on your face before using it in the workplace.

Who should wear envo® respirators?

Envo® respirators are intended to be used by adults only, and they should not be used on children.  If you have a medical condition, consult your physician before wearing any of our respirators.
Maintenance

Can I wash an envo® respirator?

Wash the envo® mask or envo® pro with mild soap, warm water, and a soft cloth to remove dirt and dust.
  1. Remove the filter from the mask and discard it.
  2. Separate the filter cover and mask body, gently wash the mask face and mask body components, and allow air to dry.
  3. Once components are dry, reassemble the mask. Install new filters immediately before use.
  4. Do not machine wash or place in dishwasher.

Do you repair respirator parts?

  • If any part of the respirator, or mask, breaks, you must replace it.
  • There are no serviceable parts on the mask body. If any part of the mask body breaks or wears out, you must replace the mask body.
  • Never try to glue a broken part to extend the life of the mask body.
  • Accessory parts include mask bodies, filter covers, headgear, and shields. If you are looking for any piece inside these accessories, you must replace the entire part.
 
General

Do your respirators contain Latex?

No, our respirators do not contain Latex.

Do your respirators contain Formaldehyde or Phthalates?

No, our respirators do not contain Formaldehyde or Phthalates.

What are the envo® pro filters made of?

The envo® pro filters are four layers, including proprietary fibers, making the envo® pro one of the lowest resistant masks on the market. Lower resistance equates to easier breathability.

What are the envo® mask filters made of?

The envo® mask N95 filters are four layers, including proprietary fibers, making the envo® mask one of the lowest resistant masks on the market. Lower resistance equates to easier breathability.

What are envo® respirators made of?

Envo® respirators are made of reusable plastic and medical-grade silicone gel.

Where are your respirators manufactured?

Sleepnet Corporation manufactures the envo® mask and the envo® pro in the USA at its headquarters in Hampton, New Hampshire.

Does the envo® mask come in multiple sizes?

No. The envo® mask comes in one adult size designed to fit most faces. If you are taller than 5’2” and shorter than 6’2”, it is likely that the mask will fit. The envo® mask measures approximately 4 inches (10 cm) from top to bottom and 5 inches (12 cm) from side to side. The mask should rest easily on the bridge of your nose, cheeks, and chin. For additional guidance, refer to the instructions for use.  If you have petite facial features, it is unlikely that the mask will fit. If you have a larger than average or elongated nose, it is unlikely that the mask will fit. If your nose bridge is wide and flat, the mask may not fit or obtain a seal.

Does the envo® pro come in multiple sizes?

Yes. The envo® pro N95 comes in two sizes: Regular and Extra-Large.  For both sizes of the envo® pro, the outer edge height measures approximately 5.42 inches from top to bottom and the outer edge width measures approximately 5.02 inches from side to side. For the regular size mask, the inner width measures 3.4 inches and the inner height measures 2.88 inches.  For the extra-large mask, the inner height measures 3.075 inches and the inner width measures 3.4 inches.  The mask should fit easily on your nose, cheeks, and below the chin. For additional guidance, refer to the instructions for use.

Is the gel cushion safe if it leaks?

AIRgel® is made from a medical-grade silicone gel, making contact other than ingestion safe. If the mask is damaged, it is no longer safe for use, and you should dispose of it immediately. Contact a physician or veterinarian directly if a child or a pet accidentally consumes the AIRgel® or filter.

How do I dispose of a respirator and/or filters?

If your respirator and filters have been subject to harsh environments, clean the respirators and dispose of the filters properly when finished. Never use a damaged respirator or a respirator with missing parts.

Where do you ship?

We currently only ship to the United States and Canada.

Can I wear the envo® mask or envo® pro while having an MRI?

Yes, but you must remove the metal pieces and parts in the headgear. You must remove the fastener and metal snaps at the end of the straps from the QuickFit headgear. You must remove the fastener from the Holo headgear. No other metals are in the mask.
Returns & Warranties

What is the warranty for my envo® mask or envo® pro?

Envo® offers a 90-day warranty against manufacturing defects.

If there is a warranty issue, what should I do?

If purchased on envomask.com, email sales@envomask.com. Please include:
  1. Order number
  2. Name on the original order
  3. Photo with a brief description of the problem.
A customer service representative will review the information provided and respond to your request. Please include the receipt if you purchased the mask from any retailer other than envomask.com.

What is the return policy?

If you are not entirely satisfied with your envo® respirator, Clear Air, LLC (“CALLC”) accepts returns (if not used and in its original packaging) within 30 days of the date of shipment to you.

How do I start the return process?

Contact CALLC’s envo® mask customer service at 603-314-8180 or support@envomask.com within 30 days of your shipment date and provide the order number and details about the item you wish to return.  As detailed below, Customer Service will provide you with instructions on how to complete your return.

How long do I have to return an item?

You have 30 days from the time of shipment to return an item for a full refund. We do not accept returns after 60 days from the time of shipment.   Refunds within 30 days include the product’s original cost and taxes.

What do I need to return an item?

Customer service will assign a Return Merchandise Authorization Number (RMA#) for each return and email you a return label to ship your return to Clear Air LLC/envo®, ATTN: Customer Service, 5 Merrill Industrial Dr., Hampton, NH 03842.  The sender must write the RMA# on the outside of the box. If the sender does not note the RMA# on the outside of the package, it will not be possible for CALLC to process your return.

What if I receive an incorrect or defective item?

If CALLC ships an incorrect or defective item to the customer, upon notification, CALLC will promptly email a return label and reship the correct item.

What items are eligible for a return?

All products are eligible for return and must be in their original packaging (e.g., mask in mask kit box) undamaged, and it must include all original parts and the original packing slip.  Returns must be in resalable condition.

When will I receive my refund?

It may take up to two weeks to process your return and issue a refund.