Check the listing for details. Airfit F30i Replacement Cushion Size Small. Condition: New without box. Listed at 26.00 USD. BRAND NEW RESMED AIRFIT F30 REPLACEMENT CUSHION MEDIUM. BRAND NEW NEVER WORN OR USED. THIS IS A REPLACEMENT/ PARTS CUSHION FOR F30i MASK. DOES NOT REQUIRE A PRESCRIPTION IN ORDER TO PURCHASE. THEREFORE IT IS NOT AGAINST EBAYS POLICY TO SELL. NOT IN ORIGINAL FACTORY SEALED PACKAGING. WILL BE SHIPPED IN CLEAR POLY BAG AND ENVELOPE WITH TRACKING. WORN WITH SLEEP MACHINES AND BI-LEVEL SLEEP MACHINES. NO DIRECTIONS INCLUDED. Medical devices Allowed --- Over-the-counter (OTC) medical devices --- Nasal pillows only (without accessories that effectively make the item a medical mask) Restricted --- Medical devices that require government authorization for distribution to third parties are allowed, as long as the seller meets the requirements below.