Usage Tips:Compatibility: This ECX271261 pressure gauge is suitable for Hayward pool filter star-clear plus cartridge, pro and hcf series sand filter models s244sv, hcv20715, c12002, s270t2. Also fit for hayward perflex series extended-cycle d.e. filter and multiport valve models i_pfppts, sp071620t, sp0710x62. Easy to Install: Installation for hayward pressure gauge is easy. No special tools or expertise required. Simply replace your old dial gauge with this one and get back to enjoying a clean, well-maintained pool. Accurate & Reliable: With a clear, easy-to-read dial, this pool pump pressure gauge provides precise pressure readings, helping you monitor your pool filter's performance and know exactly when it is time to clean. Durable Construction: Built to withstand the demands of pool and spa environments, this gauge is made from high-quality materials that resist wear, ensuring long-lasting use. Colour:As Shown Material:Metal Package Contents: 1 * Pool Pressure Gauge Replacement 1 * tape(The colors and styles are random, and the designation is not accepted) 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.