WGP-Type WGP-Type Suction Hose is particularly useful for mud suction and discharge in civil engeering work. GL-Type GL-Type Hose is an industrial PVC duct hose whch performs well with collectors and sprayers. W-Type W-Type Suction Hose is a general purpose suction hose which is excellent for fluid conveyance. F-Type F-Type Suction Hose is also cuttable to any desired length, and has a smooth outer surface. Air-conditioning Air-conditioning hose also delivers efficient performance due to its low flow resistance.