1銆丟ood compatibility: 1.5 inches in diameter, can be used with most suction heads.2銆乀he swivel cuff end connects directly onto the vacuum head and the non-swivel end connects to the skimmer.3銆丼piral wound construction for strength, flexibility, and maximum flow rate.4銆丠as good compressive strength銆?銆丼uitable for public swimming pools, private swimming pools, baths, etc.Description:Swimming Pool Maintenance Collection offers a generous selection of performance and built-to-last products made from resilient components designed to keep your pool sparkling. The Heavy Duty In-Ground Vacuum Hose features flexible, yet durable EVA and non-corrosive material. Swivel cuff is built in for kink-free maneuverability during the cleaning process while the spiral-wound construction adds strength, aids in flexibility and provides maximum water flow. Superior tensile strength provides crush-resistant operation. Hose should be used with a standard swimming pool vacuum head and a telescopic pole for manual pool vacuuming only and should not be used with automatic pool cleaners. Hose works best when warm to maximize flexibility. Measures 1-1/2-inch in diameter x 30-feet and is made in the CHINA. Note: the opening size inside pool skimmers may vary, so a fitting or vacuum plate may be needed inside the skimmer for the most secure fit and airtight seal of the vacuum hose.