insulation tube of air conditioner&air conditioner pipe 1)Copper tube:OD:1/4,&3/8,&1/2,&5/ ... 3/4, (2) Length:3,4,6,7,10m insulation tube of air conditioner&air conditioner pipeTwin/pair insulated(isolated) ... B7435,Thickness of copper tube compatible any gases:R22,R407C,R410A,R404A,R507C etc.6,PE insulation pipe:I.D. ... from Φ8 to Φ22.7,PE insulation pipe:thickness from 8mm to 10mm.8,Character:Anti ...