Valterra F02-2025BK Drain Hose Coupler - Straight 3 Hose x 3 Hose. Since 1981 Valterra Products LLC has been a leading supplier of brand name product lines to the RV Pool & Spa and Plumbing industries. Valterra?s Contract Manufacturing Division offers low-cost custom manufacturing and assembly services to client companies seeking to reduce costs and improve the bottom line. This product ships in approximately 1 days