Square Skim Filter Basket, front access.
- 5-1/8"L x 4-7/8"W (top flange) x 3-1/2"D
Product notes: Waterway # 519-4030
I measured my original hot tub skimmer basket (which was missing a couple of corners) and order this replacement basket. When I received it I had trouble getting it in and thought it wouldn't fit. After trying a few times it went in perfect. Nice producr.