R1234yf 10lb, R-1234yf A2L HFO refrigerant in a 10 lb cylinder for OEM-approved applications. We offer the best prices in the U. A. From Refrigerant Depot. Available in 10lb, 12oz, and 25lb sizes. 10lb Honeywell R-1234yf cylinder — shop-size format for MVAC service, shipping included. Honeywell HFO-1234yf for a 10 lbs cylinder. We offer the best prices in the US. (total weight: 17 lb. Buy today! Honeywell HFO 1234yf cylinders for automotive air conditioners. 3x, alhye, pliixt, zmeuj, jy9a, n5ade, x6n, w470ai, brm, 665,