【Size】Stainless steel filter head size is height 41mm, diameter 30mm, DN20, thread outer diameter 25mm. PVC joint with an outer diameter of 1 inches (you can insert and connect a 3/4" PVC DN20 water pipe) 【Easy to install】DN20 inch stainless steel filter,The PVC joint has a diameter of 1 inches and can be inserted to connect DN20 inch PVC water pipe. Widely applicable:Filters are applied to swimming pools, fish tanks, pools, water pumps, wells, etc. Material: 304 stainless steel filter head, corrosion-resistant, filter mesh easily filters impurities. 【Packaging】1pcs * DN20-inch 304 stainless steel filter head and 1 * pcs PVC connector with an inner diameter of DN20 3/4" DN20 inch stainless steel filter cover connected to 3/4" DN20 grey PVC filter water pipe, Suction Strainers used to remove debris and reduce solid entry