Alton | Bayliss XL Roof Vent Opener Piston Replacement Cedar Greenhouse The metal shelving unit designed

The metal shelving unit designed to suit the Maze Worm Farm is the perfect addition to enable you to place 3 working farms in the same foot print thereby not taking up valuable space

Heavy-duty 3D cast aluminum construction

Choose between Rust or Charcoal to match your garden style

You simply won’t need to filter and top up the oil until you have run 20 or more batches

5 mph when properly assembled and anchored

Alton | Bayliss XL Roof Vent Opener Piston Replacement Cedar Greenhouse The metal shelving unit designedThe Bayliss XL Piston or Power Tube is a direct replacement component designed specifically for the Bayliss XL Automatic Greenhouse Vent Opener. If your current unit is no longer responding as it should, replacing the power tube is a simple and cost effective way to restore smooth, temperature driven vent operation. This tube contains a heat sensitive wax core that expands as temperatures rise and contracts as they fall, driving the piston that opens