The Valterra RV Valve has a 3" Spigot x 3" Spigot connection openings and black ABS body and hubs. The plastic material is great for resistance to corrosion and mild chemicals. The Valterra Waste Valve is suitable for use with RVs, campers, and more.• Waste valve for RV black water system• 3" spigot x 3" spigot connection• Standard straight valve• Handle actuated ABS plastic construction resists corrosion & mild chemicals Standard straight valve Handle actuated | Valterra RV Waste Valve, 3" Spigot x 3" Spigot Connection in Black