... Firmly and stable customize and small size standard package JG-473 fuel oil flow meterJG-473B Flow meter ... is improved from JG-473A meter, inlet on top and outlet on ... , 4, 6 or 8 horses respectively for 2, 3 or 4 oil products configuration. Option Vapor recovery system, ... and easy carrying.2. Big flow and strong sucking.3. Vehicle battery driven, easy and quick.4. Firmly ...