Features: 1.PERFECT CONNECTOR: This pool hose adapter is suitable for above ground swimming pools. Great for some plunger valves or to upgrade to a stronger filter pump. 2. Widely compatible: suitable for threaded connection pumps. Compatible with all 4000, 2500, 2000 and 1500 gallon/hour filter pumps with threaded hose connections. 3. Useful Tools: Pool Drain Adapters make connections tighter, help improve filtration, improve water quality, and make the water flowing into the pool clearer. 4. Durable quality: The pool drain adapter uses reliable and harmless materials. Durable and safe to use. It has a long life and is the perfect replacement. 5. Simple installation: Hose adapter A allows one end to connect the hose and the other end to the pump's threaded collar for proper installation. Adjustable clip design. Specifications: Weight: 91.20 g Package size: 7.00 *7.00 *22.00 cm includes: 1*adapter