1. Vents 229 X 229 mm. 2. Anodised Nickel Vent 229 X 229 mm.
3. Hit & Miss Vents 152 X 229 mm. 4. Vents Adjustable 190X 76 mm.
5. Anodised Brass Vents. 6. Vents 190 X 76 mm.
7. Brass Vents. 8. Anodised Golden colour Vents.