Check the listing for details. ECX270861 Boxed Pressure Gauge For Select Hayward Sand and D.E. Pool Filter. Condition: New. Listed at 10.49 USD. Pressure Gauge 0-60 PSI Replacement for Select Sand & D.E. Pool Filter ECX270861 Product Description Easy to install: You will need Teflon tape thread around the screw fitting. Turn off your pump before installation and partially drain the filter. Do not overtighten the Pressure Gauge on the filter.NOTE: Do not overtighten the pressure gauge on the filter. Fitment: Fits micro-clear vertical grid, perflex extended-cycle d.e. filter and sand filter models ec30, ec40, ec40ac, i_pfppts, s160t, s200, s240, s245t, s190t Fits hayward pro series sand filter models s210s, s244s, s310s, s140t, s144t, s180t, s210t, s220t, s220t2, s230t, s244t, s244t2, s270t, s164t, s166t Displays accurate readings: Get accurate pressure readings with this pool sand filter gauge. It is built on the BAR and PSI measurement methods. It’s made to latch vertically on Hayward pool filter series. Made of stainless steel and wear-resistant plastic, the water pressure gauge for pool and spa filters can be used frequently. Note: Do not install these pool filter sand and D.E. gauges horizontally. Make sure it’s vertical to ensure accuracy and proper functionality.