Filter Element - 50sqft- Premium Leisure / Leisure's Edge Antimicrobal (#8174050M) 13-1/4'' H x 4-7/8'' D X Top Handle x 1-1/2'' Female SAE Threaded Hole Waterway Part #817-4050M, Pleatco #PWW50L-M Replacement filter element for Leisure's Edge line of spas by Premium Leisure.