Specification of engine oil drain valve:

1) Has safty pressure release valve.Brass valves for air throttling and sand metering. 2) Working pressure:65-125 PSI 3) Blast hose ID : 1-1/4" 4) Hose length:16.4ft (5M) 5) Pressure gauge indicator:0-125PSI 6) 4pcs nozzles:2.8/3.8/4.8/5.8 MM 7) Water trap type:push button to drain 8) Required compressed air system(not included):2HPcompressor with 3/8" diameter air hose. 9) Recommended media type:glass bead,silicon carbide,alumina,walnut shell,brass bead. 

Function of engine oil drain valve:

Telescopic Steel Funnel Fitted With Filter Grid, Air Discharge Capacity: 20 gal Tank thickness: 2.0 MM Front wheel Dia.:7.5MM Rear wheel Dia.:14.5MM Funnel Dia.: 37CM

engine oil drain valve