This is a size XL Res Med Ultra Mirage 16392 nasal Micro Cushion accessory. IT IS BRAND NEW IN THE FACTORY SEALED AND UNOPENED ResMed PACKAGING. NOTE: No other parts or accessories are included, just the extra large cushion attachment. PLEASE NOTE: Once the packaging of this brand new medical item has been opened, there are NO RETURNS. BUY EACH NOW For $25.99!! The original and unopened package is guaranteed for 7 days. After this period (or is the seal is broken), it will be considered to be exactly as described, and the sale is then final. NO PARTIAL REFUNDS. Unopened package must be returned for refund. Shipping costs are not refundable. A SPECIAL NOTE: If there is no "Best Offer" option on allkindagoods Bonanza Booth items, the price is FIRM. No need to e-mail with offers or inquiries about lowering the price.