Dairymaster Plastic Feed Trough Blank (Narrow) The Dairymaster Plastic Feed Trough Blank (Narrow) is a replacement trough insert designed for use with Dairymaster Swiftflo Revolver feeding systems . This narrow blank trough is used where a feeding position is not required, helping maintain correct system layout and tidy presentation within the feeder assembly. Feed trough blanks are commonly fitted when feeder configurations are adjusted, individual feeding points are removed, or systems are being set up for specific herd requirements. The Dairymaster Plastic Feed Trough Blank (Narrow) helps close unused openings, preventing feed build-up, contamination, or unnecessary access points while supporting a clean and organised feeding area. Manufactured from durable plastic , this blank trough is suitable for the demands of daily farm use, including exposure to feed, moisture, and regular cleaning routines. Its narrow design ensures correct fit within compatible Swiftflo Revolver units, maintaining the overall integrity and appearance of the feeding system. This component is ideal for routine maintenance, system modifications, or replacement of damaged or missing blanks. Using the correc