The Nasal Cushion for Pico CPAP Mask is the replacement?? silicone nasal cushion for use with the Philips Respironics Pico Nasal Mask.
A great benefit of the Pico cushion is that any size cushion will fit on any Pico Mask frame

Product Description

The Pico's soft nasal cushion fits over the tip of the nose so it requires very little facial contact. The cushion has a dual-wall design that features an inner wall that seals softly against the face and an outer wall that provides support and stability.

http://www.amazon.com/gp/product/B01I244D6C