Hot Tub Compatible With Marquis Spas 1 1/2" Swing Check Valve MRQ350-6245This Hot Tub is compatible with Marquis Spas and features a 1 1 2" swing check valve, providing reliable and efficient water flow control. Keep your spa water clean and clear with this durable and expertly designed product. %100 guaranteed compatibility and optimal performance. Compatible With Marquis Spa 1 1 2 Inch Swing Check Valve MRQ350 6245 Compatible With Marquis Spa 1 1 2 Inch Swing Check Valve You Will Receive One Item