Screens to fit various sizes of pipe and bong bowls
Gauzes (5 per pack): 10 mm Steel or Brass (40p), 12.5 mm Steel (50p), 15 mm Brass (50p), 15 mm Steel (60p), 17 mm Steel (60p), 20 mm Steel or Brass (60p) and 25 mm Steel (75p)

Steel Cone Gauzes: 15 mm (20p, 5 for 90p), 17 mm (25p, 5 for £1), 20 mm (25p, 5 for £1.10), 22 mm (30p, 5 for £1.20) and 15 mm with a Handle (40p)