Strong Compatibility: Perfectly fits for 1inch 800M4 series pressure vacuum breaker (PVB) backflow preventers Replacement Part Number: Matches part number 0887718 for easy reference High-Quality Materials: Crafted from premium materials that are wear-resistant, -resistant, and capable of withstanding temperature fluctuations. Provides freeze protection and leak prevention for long-lasting reliability Easy Installation: Direct replacement design allows for straightforward installation without the need for special tools Comprehensive Kit: Inch Backflow Convert Kit Colour:Photo Color Material:plastic Package Contents: 1 x 1 Inch Backflow Convert Kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.