By refrigerant
By family
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Full pallets and multi-cylinder packs ship as one line on one order.
67 pallet & pack SKUs →Chemical family
The fluorocarbon generation that replaced HCFCs — and the bulk of what is in service today.

Other families
R-410A in air conditioning, R-404A and R-507 in commercial refrigeration, R-134a nearly everywhere else, plus the blends formulated to retrofit R-22 equipment. The AIM Act phase-down is steadily moving new work towards lower-GWP alternatives, which is why the HFO group next to this one keeps growing.