Designed for water disposal during filter backwash, this hose is made of a quality plastic that holds up to extreme weather. Use a ball valve or shut off the valve to reduce a mess! Each hose rolls up neatly for storage. product features: back washing your pool filter is essential for keeping your water clear hose used for remove wastewater from your filter long lasting, pressure tested, and pinhole free rolls up for easy storage when not in use dimensions: 100' long x 1.5" diameter material(s): pvc