Green/Clear PVC Suction & Discharge Hose - Water Suction and Discharge Hose - Standard Duty Green/Clear PVC Suction Hose is a MSHA approved flame-resistant suction and discharge hose for use in mines, pumps, irrigation lines, drain lines, air seeders, agricultural liquid fertilizer, rock dusting, rental and construction dewatering, trash, and standard-duty water suction or de-watering. Smooth inner and outer surface. MSHA Approved. Water suction – standard duty hose.