This part is a Thin White Filter Skimmer Basket that fits some Nordic hot tubs that use a top mount twist in style thin basket.. it is a Twist-In style Top Mount Skim Filter, Black, measures about 6 3/8" Outside Diameter to the edge of the outermost lip, and about 1 1/2" from the bottom to the top edge of the topmost protrusion of the basket..    We offer these in Black and White only The Tan version has been discontinued by the manufacturer.. Click the link below for the Black Version of this Basket: Nordic Spa Hot Tub Filter Basket Black Waterway Pentair Thin Style   Filter Most Popular Size 25sqft 13-5/16" Tall X 4-15/16" Wide (2) 2 1/8" Holes FC-2375 PRB-25-IN C-4326