Products Caps, Plugs & Bushings CAPS Cast Iron Pipe Cap Class 125 Malleable Iron Pipe Caps Class 150 Malleable Iron Pipe Caps Class 300 Malleable Iron Steel Hex Caps Class 150 PLUGS Cast Iron Cored Plugs Class 125 Steel Hex Socket Plugs Cast Iron Countersunk Plugs Class 125 and 150 Cast Iron Hex Head Cleanout Plugs Class 125 Cast Iron Solid Plugs Class 125 BUSHINGS Cast Iron Double Tap Tank Bushings (Heavy Type Only) Malleable Iron Hexagon Bushings Class 150 Cast Iron Hexagon Bushings Class 125 Cast Iron Flush Bushings Class 125 Malleable Iron Flush Bushings Class 150