SX180HG sand filter drain cap and seal compatible with Hayward 2005 & Prior Pro Series pool sand filter, compatible with SwimPro SW-196T, SW-236T, SW-256T Series and Pro Series S166T, S180TC, 210TC, 220TC, 244T2, 24TC, SC270T sand sand Filter(Pre-2005). Say goodbye to leaks and clogs with our sx180hg pool sand filter drain cover. Fits Pro Series S360T2, S270T2, S310T2 Sand Filter Series (pre-2005). SX180HG drain cover with fine and clear grooves designed both inside and outside to increase friction, making it easier to install the sand filter less likely to loosen. The SX180HG swimming pool sand filter drain cover are made of stable and durable plastic material, which is not easy to break or deform, can withstand the influence of various factors, and h.