400-5990 Pump Union Waterway 2-1/2Manufacturer: Waterway Availability: 3 in stockSKU: 400-5990Manufacturer part number: 400-5990 $8.48 Qty: Add to cart Custom wishlist OKAdd to wishlistAdd to compare listEmail a friend2-1/2" Buttress thread x 2" Slip pump union. Includes nut, tailpiece and o-ring.Manufacturer: WaterwayMPN: 400-5990