Ventilation

AirTech-UK HVAC Fixed Louvre Exterior Grille 500 x 500mm Air Vent Aluminum Grille for Walls and Crawl Space Bird Mesh Weatherproof

Terracotta Plain in-line Roof Tile Vent & Pipe Adapter for Concrete and Clay Tiles

Aluminium Semi Rigid Flexible Ducting - 3 Meters - 315mm (12.5") Diameter

AirTech-UK PVC Ducting Flexible 12 inches/ 300mm for Portable Fan Air Transfer Hose 5 Meters Long Heavy Duty, Fire Retardant

AirTech-UK 5-inch Insulated Flexible Ventilation Duct Hose - 125mm x 10m - Exhaust Hose for Heating, Cooling, and Air Conditioning

Simon Vent-A-Matic Double Glazing Static Window Fan Ventilator & Stormguard 162mm DGSJG

Galvanised Metal Roof Cowl - 200mm

Kair PVC Flexible Hose 102mm External Diameter / 100mm - 4 inch Universal Ventilation Hose - 45 Metre Length

Grey Marley Modern / Mini Stonewold Profile Roof Vent Tile & Pipe Adaptor

Antique Red Single Pantile Roof Tile Vent, Marley Anglia, Redland Fenland & Sandtoft

Genuine Brookvent Aircycle 3.1 Replacement G3 Filter Kit

Insulated Flexible Ducting - 10 Metre - 254mm (10") Diameter

Terracotta Interlocking Plain Roof Tile Vent & Pipe Adapter/Low Profile

Granulated Old Red Plain in-line Roof Tile Vent & Pipe Adapter, Concrete & Clay

Kair Insulated Aluminium Hose, 127mm, 10 Metres

Stainless Steel Cowled Grille - 150mm

Terracotta Double Roman Roof Tile Vent & Adapter, Marley Russell Redland Lagan

External Louvre 200mm (8") Diameter

Insulated Aluminium Flexible Ducting - 10M - 150mm

125mm Noise Reducing Circular Ventilation Duct Attenuator Silencer Long 600mm

Terracotta Double Pantile Roof Tile Vent & Adapter, Marley Redland Sandtoft

Kair Fire Rated Ceiling Supply Valve 200mm - 8 inch White Coated Metal Vent

AirTech-UK PVC Ducting Flexible 8 inches/ 200mm for Portable Fan Air Transfer Hose 5 Meters Long Heavy Duty, Fire Retardant

250-125mm Metal Duct Reducer Round Reducer Duct Fitting Pipe Increaser Reducer Galvanized Steel