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Cushion and Silicone Seal Kit for Forma CPAP Mask

BY Fisher & Paykel  |  Item #400HC121
(26) Read Reviews
$34.95
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How to Clean and Maintain your CPAP Equipment
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Forma Cushion and Silicone Seal

This kit contains both the foam cushion insert and silicone cushion seal for the Forma CPAP Mask with Headgear. It's available in sizes small, medium, large, and extra large.

The foam cushion adapts to the contours of your face, while the silicone seal prevents mask leaks giving you the perfect balance of comfort and reliability.

What's Included:

  • 1 Replacement Foam Cushion in Preferred Size
  • 1 Replacement Silicone Seal in Preferred Size

Forma Cushion and Silicone Seal

This kit contains both the foam cushion insert and silicone cushion seal for the Forma CPAP Mask with Headgear. It's available in sizes small, medium, large, and extra large.

The foam cushion adapts to the contours of your face, while the silicone seal prevents mask leaks giving you the perfect balance of comfort and reliability.

What's Included:

  • 1 Replacement Foam Cushion in Preferred Size
  • 1 Replacement Silicone Seal in Preferred Size

Learn More About This Product

Where do I find the size?

To find the size of the silicone seal, turn the mask to view the flat bottom of the full face mask. The user will find the size centered directly in the middle of the seal. Embossed letters spell "S M A L L," "M E D I U M," "L A R G E," or "X - L A R G E."

To find the size of the cushion, remove the cushion from the silicone seal. Hold the cushion with the soft edges facing away from the user. At the tip of the cushion, where the bridge of the nose meets the material, locate a small, embossed letter. This letter represents the size of the cushion. The mask frame does not need a corresponding letter as it offers a universal fit, but the silicone seal and cushion will need to be the same size to work as intended.

Do you have a guide to help me choose the right mask?
Yes, we created a Help Me Choose guide to help you select the right mask or machine according to your preferences. The guide asks you a series of questions regarding your preferences and your facial features. Based on your answers we provide you with a comparison chart of the masks that meet your criteria. Get started here:

Help Me Choose - Mask
How can I compare different machines?
We work very hard to provide many different ways for our customers to compare products. Here are the machine product guides we have created and maintain:
  • CPAP Machine Comparison Guide. This guide stacks up every CPAP machine we sell, feature by feature. If you don't know the meaning of a feature, click the question mark for a definition. The links below will take you to the most popular CPAPs, or all CPAP machines we sell.

    Compare Most Popular CPAP Machines

    Compare All CPAP Machines

  • Auto Adjusting Machine (APAP) Comparison Guide. This guide stacks up every APAP machine we sell, feature by feature. If you don't know the meaning of a feature, click the question mark for a definition. The links below will take you to the most popular APAPs, or all APAP machines we sell.

    Compare Most Popular APAP Machines

    Compare All APAP Machines

  • BiPAP, VPAP and BiLevel Comparison Guide. This guide stacks up every BiPAP machine we sell, feature by feature. If you don't know the meaning of a feature, click the question mark for a definition. The links below will take you to the most popular BiPAPs, or all BiPAP machines we sell.

    Compare Most Popular BiPAP Machines

    Compare All BiPAP Machines
Are prescriptions required for mask, machine, humidifier, and EPAP purchases?

Yes. Federal law requires we have a valid prescription on file before we ship your mask, machine, humidifier, or EPAP therapy, including Provent and Bongo RX. You will also need a prescription to purchase the Nightbalance POSA device.


We provide many easy ways to get your prescription:

  • We can request your prescription for you! When you checkout, just let us know you would like us to request your prescription, or you can log into your account to have us request your prescription.
  • Fax your prescription to our toll-free fax number: 866.353.2727, or our international fax number: 713.541.7377
  • Email your prescription to cpap@cpap.com
  • Upload your prescription in your account, under the Prescriptions Section
  • Ask your doctor to fill out our prescription form. We have both a standard prescription form and an EPAP prescription form.


For more information on prescriptions, please see our Prescription Section of the Learning Center.


How do I care for my mask?

Masks should be washed daily with warm water and gentle soap or baby shampoo. Let the mask air dry. Never use antibacterial soap as it will break down the silicone of the mask cushion. Avoid soaps that include lotion which can coat the mask and cause it to lose its seal. A safe cleaner is the Control III Disinfectant CPAP Cleaning Solution. Remember, going to bed with a clean face will improve your seal and protect the lifespan of your mask. Citrus Mask Wipes

The best time to clean your mask is in the morning after use. This removes the oils left behind from your skin which can reduce the lifespan of your mask. We recommend using Mask Wipes to make daily morning cleaning easy. The mask wipes are made from materials that will not break down your mask.

Citrus Mask Wipes


For customers who want to completely disinfect their mask and accessories, there's an even better option than wipes. The Lumin Mask and Accessories Cleaner uses powerful UV light to disinfect, killing almost all bacteria almost instantly. It's not a cleaner and doesn't scrub or wash anything, but for simple disinfecting the Lumin works great!




Here are some other cleaning products to help with keeping your mask fresh:


Citrus II CPAP Mask Spray Cleaner

Control III Disinfectant CPAP Cleaning Solution - Home Care Kit

Hurricane CPAP Equipment Dryer

Unscented CPAP Mask Wipes

Lumin CPAP Mask and Accessories Cleaner

How often should I replace my mask?
Medicare allows for mask cushion replacement every three (3) months, and a complete mask system replacement every six (6) months. CPAP manufacturers and vendors suggest these replacement schedules as well.

In our experience, most mask cushions begin to deteriorate after about six months of use. The cushion eventually becomes too soft to hold a seal. The headgear straps lose elasticity and must be tightened more and more to get the same quality seal.

We strongly suggest replacing cushions and pillows as soon as they start to soften. Air leaks may reduce the effectiveness of CPAP therapy and headgear that is too tight may cause facial sores at pressure points. In most cases, replacement headgear is available if it is stretched out or the Velcro worn out.

To see what parts of your mask are replaceable refer to our Replacement Part Finder. Just search for your mask to see all of the replaceable parts.
What does a mask prescription need to say?
A mask prescription must contain all of the following information:
  • One of the following words or phrases: "CPAP Mask", "CPAP Supplies", "CPAP Humidifier", "CPAP", "Continuous Positive Airway Pressure", "APAP", "AutoPAP", "AutoSet", "Auto CPAP", "Auto Adjusting CPAP", "Self Adjusting CPAP", "BiPAP", "BiLevel", "VPAP", "BiPAP Auto", "BiPAP ST", "Synchrony ST", "VPAP ST"
  • Your physician's contact information
  • Your physician's signature
  • The patient's full name

Here are some of our top selling masks:

DreamWear Nasal CPAP Mask with Headgear - Fit Pack
ComfortGel Blue Full Face CPAP Mask with Headgear
AirFit™ P10 Nasal Pillow CPAP Mask with Headgear
+ See More

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When you shop with us, we want you to be confident that you are receiving the best available price. If this items goes on sale or you spot an online or retail competitor with a lower price within seven days of your purchase, let us know, and we will credit you the difference.

"Super helpful, fast shipping, friendly assistance, great selection, I love this company."

- Verified Customer, 10/25/22

★★★★★

(26)  

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Customer Reviews

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Overall Rating
★★★★★
4.4 26 Reviews
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★★★★★

Hit and Miss

Verified purchase | Oct. 24, 2020 | Verified CPAP.com Customer
The comfort of the product was great. The only thing is I can’t get fitted for the right size because the machine says my mask is still leaking air and now I have to spend another $40 for a different size mask to see if that’s the problem.
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(0)
★★★★★

Verified purchase | Jan. 23, 2018 | Verified CPAP.com Customer
Cushion tears too easy
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(0)
(0)
★★★★★

Good as always

Verified purchase | Jan. 20, 2018 | Verified CPAP.com Customer
The product has been a good one since I started to use it and as of today still a good one. Sorry that you do not carry anymore the Headgear for Forma Full Face Mask and that I will need to buy it from another supplier.
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(0)
(0)
★★★★★

Verified purchase | Oct. 03, 2017 | Verified CPAP.com Customer
Always need replacements for this part of the mask.
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(0)
(0)
★★★★★

Verified purchase | Sep. 27, 2017 | Verified CPAP.com Customer
Love how it fits to my face but not irritation.
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(0)
(0)
★★★★★

Good Mask

Verified purchase | Dec. 13, 2016 | Verified CPAP.com Customer
Mask works pretty good for me. Haven't found a full face mask that doesn't eventually leak around the nose area.
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