Add to Cart Quick view SALE Asa Manufacturing 12"X12"X18" Sump Fg W/6" Pvc Side Outlet $815.95 $599.95 Our heavy-duty Fiberglass Sumps are available in standard and custom sizes Most popular sizes are: 9" x 9", 12" x 12" 18" x 18" and 24" x 24". Easy Installation! Eliminate forming & pouring with these drop in solutions. Add to Cart Add to Wishlist