Attwood Collector Box 3-7/8" by Attwood Marine $13.53 SKU ATT13411 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Depth: 3-7/8" For use with: Two 3" I.D. Hoses Installation Hole Size: 2-1/16" x 15-9/16"