Features:

• Exclusive bump handle activates the mechanism causing the Flex-Tubes to instantly and uniformly clean themselves of dirt and filter powder
• Self-venting design automatically expels any air that may be present in the system
• Proven, patented Flex-Tube filter elements efficiently reuse the filter powder and dirt mixture forming a fresh filtering surface
• Heavy-duty filter tank injection-molded of high-strength Duralon™ for dependable, corrosion-free performance
• Integral check valve prevents system backflow whenever pump is off