Sistemtav, Breeder poultry house standard channel feeder grill wires are produced in internally mounted or externally mounted bottoms using 4 mm wire. 42 mm - 44 mm options are available as usage range. Optionally, 1 metre, 1.2 metre and 1.5 metre length sizes can be provided. It is assembled in such a way that it will not break and throw and is galvanised for long years of use.