(4) 20 lb Aluminum CO2 Cylinders — Lot of Four — Sold Empty

Lot of FOUR (4) 20 lb aluminum CO2 cylinders with valve-guard carry handles. DETAILS (from cylinder stampings) - 20 lb CO2 capacity each; stamped '20LB CO2 TW 24.7LB' (tare weight 24.7 lb) - Aluminum construction — light and corrosion-resistant - CGA320-style CO2 valves - Most recent hydro test date visible: 2020. DOT requires requalification every 5 years, so plan on a hydrostatic retest (typically $25–40 per cylinder at a gas supplier) before refilling. - Sold EMPTY. Popular for kegerators/draft beverage systems, homebrewing, aquarium/planted-tank CO2, and greenhouse/CEA CO2 enrichment. New 20 lb aluminum cylinders currently retail for about $170–$190 each ($680–$760 for four). CONDITION: Used. Two cylinders with protective netting appear near-new; the others show storage grime and wear. See photos. TERMS: Sold FOB Chesterton, Indiana. Buyer is responsible for pickup or arranging freight from Chesterton, IN. No shipping available unless discussed with SecondBloom Auctions management. Reserve auction — Buy Now available.