This Air Lift replacement bellow is an exact replacement for an original Air Lift air spring. It is made with sturdy rubber construction and synthetic fabric reinforcement. This bellow has an inflated proper ride height of 5.0 - 7.0 inches and a maximum diameter of 7.0 inches. PartNumber : alf50309 Description : MOTORHOME REPLACEMENT BAG; 2B6; EXTENDED; 0.25 IN. NPT AIR SPRING; NUMBER ON BAG Title : REPLACEMENT AIR SPRING-BELLOWS TYPE Title (Custom) : Air Lift Susp Air Bag Bellows Position : Rear Features : High burst pressure Features : Sturdy rubber construction with synthetic fabric reinforcement Title : Air Lift Susp Air Bag Bellows WARNING CA Proposition 65 : Yes WARNING CA Proposition 65 Message : California Warning: Cancer and Reproductive Harm û www.P65Warnings.ca.gov Suspension::Air Springs