This is a high performance plastic egg crate louvre ceiling tile that is hard wearing and easily maintained. Perfect for letting ventilation light or water from sprinkler system through. The weight of each louvre is 0.45kg.
eBay
30/100g Tile Repair Agent AB Adhesive Ceramic Repair Glue Marble Floor Tile Toilet Washbasin Repair Glue Crack Repair Caulk Glue
Aliexpress UK
REGENT RED ROOF TILE VENT. High Flow Tile vents provide 15,000mm2 of ventilation coverage.
eBay
Tile Repair Glue AB Adhesive Ceramic Marble Floor Tile Toilet Washbasin Repair Glue Crack Repair Caulk Glue
Aliexpress UK
This is a high performance plastic egg crate louvre ceiling tile that is hard wearing and easily maintained. Perfect for letting ventilation light or water from sprinkler system through. The weight of each louvre is 0.45kg.
eBay
Tile Repair Agent AB Adhesive Ceramic Repair Glue Marble Floor Tile Toilet Washbasin Repair Glue Crack Repair Caulk Glue
Aliexpress UK
Universal in line roof tile ventilator Used and still in package. 1 item has been removed to take images Please see the benefits in the image Great to assist with any condensation issues in the loft I have more than 2 available. If you require more please message.
eBay
Waterproof Tile Gap Filler - Fast-Dry,Easy-to-Apply White Grout Sealant for Bathroom and RV Interior,Countertops,Sinks,Tiles,Tub
Aliexpress UK
Marley Eternit Ludlow Major. The flush fitting tile vents are designed to suit all commonly tile profiles and standard colours, creating an aesthetically pleasing finish. Being manufactured from polypropylene, the TV15 tile vent range has the following benefits;.
eBay
Ceramic Tile Repair Pen Rapid Crack Filler For Bathroom And Living Room Tiles Repair Paint For Washbasin And Toilet Surfaces
Aliexpress UK
New klober profile line vent slate grey colour 
eBay
304 Stainless Steel Mesh Woven Metal 30 Mesh Hole 0.07mm Suitable for Ventilation Cages Garden Windows and Filter Screens
Aliexpress UK
Interlocking Flat Vent Tile - Red & Flexipipe. When used for extraction with a Flexipipe no adaptor is required. Flexipipe Included.
eBay
Suitable for Ventilation Cages Garden Windows and Filter Screens 304 Stainless Steel Mesh Woven Metal 30 Mesh Hole 0.07mm
Aliexpress UK
Timloc Universal Roof Slate Vent, Soil Pipe Adaptor & 0.5m Flexible Hose. Intended to replace one normal roof slate and suits slate sizes of either 610mm x 305mm or 510mm x 255mm. 4102 = Slate Vent Pipe Adaptor.
eBay
Outsunny 8 x 6ft Metal Garden Shed, House Hut Gardening Tool Storage with Ventilations, Sliding Door
Aliexpress UK