Manufactured by Air Lift | 50251 | Replacement Bellows AIR:50251, Marked 58439, Bellows Bag, Max height - 7.7 , Compressed height - 2.3 , Max diameter - 6.5 , Max load at 100 psi - 2025 lbs. Design height 4.5-6.5 inches., Airlift replacement air bags Product information updated on 2025-01-20. This product can ship by Small Parcel