Hi Flow™ Rigid Suction Canister Kit for use with Bemis Quick Drain™ Systems, 1200 mL, 1 Each Infusion Sets Model TWF24 * self adhering and Instrument Accessories Model TWF24 * self adhering and reusable stimulating electrode for TENS NMES FES * 2 x 4 (5 Those who suffer from tailbone pain find the coccyx cushion the most comfortable due to the cut out at the back of the cushion * This cut out design significantly reduces pressure on the tailbone * Ergonomically designed to provide support while reducing direct pressure on the tailbone * Made with premium quality self molding memory foam that reacts fast to provide instant relief and comfort and provides slow memory foam recovery for longer support * The removable soft polyester and rayon cover zips off easily for machine washing while the transport strap provides convenience for travel * Hypo allergenic * Foam guard keeps float valve securely in place Effectively filters aerosolized microorganisms and particulate matter