High Quality Product Rubber Blade for Pressure Tanks, Compatible with 19 to 24 Liter Automatic Cold and Hot Water Pump Systems Product Details: (1) Product Name: Pressure Tank Rubber Liner (2) Volume Compatibility: Designed for pressure tanks with a capacity of 19L to 24L. This refers to the tank volume, not the product itself. (3) Installation Note: After replacing the liner, proper air pressure must be charged into the top of the pressure tank for correct operation. Failure to pressurize may result in improper water pressure and affect performance. (4) Function: Helps maintain stable water pressure within the tank, reduces frequent pump cycling, and extends the lifespan of the water pump. (5) Compatibility: Suitable for diaphragm-style pressure tanks. Can be used in both horizontal and vertical tank configurations. Reference dimensions for pressure tanks are provided for proper fitment.