Kuriyama's Tigerflex® W™ Series Heavy Duty Liquid Suction Hose features a PVC tube with a rigid PVC helix. The transparent construction allows for visual confirmation of material flow. The convoluted outer cover provides increased hose flexibility. Sizes 4" - 16" remain flexible in subzero temperatures. General applications include fish suction, gold dredging, pumps, trash, slurry handling, heavy duty water suction, extreme cold conditions (Sizes 4" - 16"), and pumps, rental and construction dewatering.