Air Lift Air Springs 50309 Air Lift Company has developed dependable air spring suspension products since our inception in 1949. All our efforts are spent ensuring your safety and comfort by designing, engineering and manufacturing the highest quality suspension products. Motorhome Replacement Bag; 2B6 Motorhome Replacement Bag 2B6; Extended; 0.25 in. NPT Air Spring; Number On Bag 255C; Firestone Number 6957; Air Lift Replacement Air Spring - Bellows Type