Frequently Asked Questions

How do VARILITE cushions work?

Air in a VARILITE cushion supports the load, while foam keeps the air where it’s needed and preserves the cushion shape. Learn more about the VARILITE Air-Foam technology
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How is the cushion adjusted properly?

For both Pressure Setting Valve (PSV) and standard valves, begin with the cushion fully inflated and valve closed. Transfer onto the cushion.

For a PSV, turn the valve clockwise until the pre-determined number appears in the indicator window. Air will escape until the valve automatically shuts off (approximately 10-15 seconds). Once the valve has shut off the release of air, close the valve by turning it clockwise. See PSV Operating Instructions for more information.

For a standard valve, slowly turn the valve counterclockwise to release the air. Listen for a change in pitch and close the valve by turning clockwise. Air level is determined by the amount of support or stability needed by the user, comfort, and activity level. See Seating Systems instructions for more information.

Why do some seat cushions have an indentation?

The cushion is designed to indent in the sacral-ischial area. The soft, less firm foam of the sacral-ischial area, by design, exerts less “push back” on the cushion fabric than the surrounding firmer foam. See Sacral-Ischial Foam Indentation Explanation for more information.

Will a 16” x 18” cushion fit in a 17” x 18” chair?
No. Select the cushion that is 1” larger. For example if you wheelchair seat size is 17” x 18”, select an 18 x 18 cushion. The cushion will accommodate the 1” size difference without affecting its performance.
Are VARILITE cushions available in custom sizes?

VARILITE cushions are available in a wide range of widths and depths. We frequently update our size selection to meet the needs of our customers. We welcome your size suggestions for planning future product sizes. Customers tell us that our standard sizes often accommodate customer wheelchairs well. If you need a size that is not currently available, select the cushion that is 1” larger. For example if you wheelchair seat size is 17” x 18”, select an 18 x 18 cushion. The cushion will accommodate the 1” size difference without affecting its performance.

How do I maintain my VARILITE seating system and back support?

We recommend that you leave the valve open and allow your VARILITE cushion to fully inflate overnight at least once a week to maintain optimal cushion performance and foam integrity. Check your cushion’s inflation level daily to ensure optimal seating and positioning.

What is the weight capacity for VARILITE seat cushions?

Size      Capacity
(Inches)   (lbs)


12x8         250
12x12       300
12x14       325
14x14       400
14x16       450
16x16       500
16x18       575
17x17       575
18x16       575
16x20       650
18x18       650
20x16       650
18x20       725
20x18       725
20x20       750
22x18       750
22x20       750
24x18       750
24x20       750

What do I do if the valve breaks or comes loose?

If the valve breaks or comes loose, there are two options; we can send you a valve replacement kit (click here for valve replacement instructions) or you may send it to us for repair. See VARILITE Warranty for more information.

What do I do if I get a hole in my cushion?

Although the bladder of the cushion is puncture-resistant, it is not puncture-proof. If you do get a hole in your cushion, there are two options; we can send you a repair kit (click here for repair kit instructions) or you may send it to us for repair. See VARILITE Warranty for more information.

Is there any latex in VARILITE cushions or covers?
No.