White Rodgers KT-20299-4 Emerson HF SERIES TXV CAGE KIT, CAPACITY (NOMINAL TONNAGE) R-12=1-1/4, R-22=2, R-134A=1-1/2, R-404=1-1/4, R-407C=2, R-448A/R-449A=2, R-507=1-1/4