( 2-10 PACKS ) Made in USA Hose Gasket, For Use With Refrigeration Hoses Replacement for Yellow Jacket 19020 CH20 Replacement Gasket for 1/4" and 1/2" Acme hose. Designed for optimum performance with Yellow Jacket and other charging hoses. Works with all refrigerants Manufactured to strict tolerances to resist blow out Sold in 10-packs ( 2 ) Replacement for Yellow Jacket 19020 (10-pack) Replacement Gaskets for All 1/4" Charging Hoses Made in USA Specifically engineered for optimal performance with YELLOW JACKET Charging Hoses, these gaskets ensure a perfect fit and secure seal. Compatible with all refrigerants, they are manufactured to precise tolerances to prevent blowouts and ensure reliability in demanding applications.