Suited for R12, R22, R502 With sight glass brass testing manifold body Good Quality,Competitive Price ModelCharging Hose LengthDescriptionSH-M536A36"(90cm)· ... ·With sight glass brass testing manifold body ·3pcs(red,yellow & blue) charging hose. ·Low&High pressure gauge (2-3/4” Dia) ·Working ... Europe, America, MID-east, Africa, and Southeast Asia, etc. Mainfold Gauge