Securely connects to most standard size pumps and tubing. Fits 3/4", 1", 1-1/4", 1-3/8", and 1-1/2" ID hoses. Attaches to 3/4", 1", 1-1/4", and 1-/2" Female NPT threads, common on most pumps. Fits 1.5" and 2" male NPT connections with included adapters. Eliminates need to search for one, hard-to-find adapter. Compatible with Intex, Bestway, Hayward, and many more. Barbed design and included stainless steel clamps ensure a tight fit on the tubing end. Rubber gaskets provide leakproof fit on the opposite end. Patent Pending. NOT FOR USE WITH GARDEN OR VACUUM HOSES. Securely connects to most standard size pumps and tubing. Fits 3/4", 1", 1-1/4", 1-3/8", and 1-1/2" ID hoses. Attaches to 3/4", 1", 1-1/4", and 1-/2" Female NPT threads, common on most pumps. Fits 1.5" and 2" male NPT connections with included adapters. Eliminates need to search for one, hard-to-find adapter. Compatible with Intex, Bestway, Hayward, and many more. Barbed design and included stainless steel clamps ensure a tight fit on the tubing end. Rubber gaskets provide leakproof fit on the opposite end. Patent Pending. Installation instructions provided on the packaging.