1 Air Vent Grille. Can prevent into the room, keep indoor and outdoor air circulation. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.
eBay
Core 600S Replacement Filter For LEVOIT Core 600S-RF 600S Air Purifier, H13 True HEPA Filter Air Filter Accessories
Aliexpress UK
For ventilation ducts, chimneys and air extraction hoods. Guards provide maximum for protection without compromising chimney performance. Made of high-quality 304 stainless steel, cold and high temperature resistant.
eBay
Exhaust Port For Air Conditioning Outlet Pipe Connector Flat Exhaust Nozzle Plastic Flat Hose Adapter Window Air Vent Connector
Aliexpress UK
RV Trailer Camper round air vent. Can be mounted on wall or roof. 1 Piece Air Vent. We'd like to settle any problem in a friendly manner. Due to the difference between different monitors, the picture may not reflect the actual color of the item.
eBay
1Pcs Clear Condensate Check Valve Central Air Conditioning Drain Pipe Check Valve With Reflux Air Conditioner Three-proof Valve
Aliexpress UK
Despite requiring no electricity for operation, the ventilator assures quick air release in minutes. the non power roof ventilator is exclusively constructed with the quality 201 stainless steel, assuring you of its and sturdiness; The material does not only resist rust but endures high temperatures as well, perfect for challenging weather conditions.
eBay
Air Quality Improvement Sponge Net Filter Customizable Duct Filter Sizes Air Filtration System Customizable Diameter
Aliexpress UK
【Easy Installation】Simply install the vent in the 14" x 14" opening of the roof, seal it with putty tape (not included), position it with an awl or nails, and then secure it with screws. 【Highly Efficient Ventilation and Cooling】This RV roof vent fan is designed specifically for RVs, trailers, campervans, and other similar vehicles.
eBay
Air Purifier Filter for Xiaomi Car Air Purifier Spare Parts Activated Carbon Enhanced Version Purification Of Formaldehyde PM2.5
Aliexpress UK
Felt Vents for Loft: Each unit will provide 3000mm² of free airflow into the loft space. Lap Vents for Loft: Can be fitted at joist centres ranging from 400mm to 600mm, suitable for most roofs. The arched design can withstand greater pressure and has multiple holes to greatly increase ventilation.
eBay
110/160mm Duct Air Filter Inline Ducting Box Ventilation Pre- Filter HEPA Duct Catkins Air Filter For PVC PE Pipes Hardware
Aliexpress UK
Special hat design, rainproof, can accelerate air circulation. Replace the RV and boat ventilation cover. 1 Ventilation Cap(other accessories demo in the picture is not included). Made of high quality ABS plastic for and impact resistance.
eBay
P2S Upgraded Air Fiter For Bambu Lab P2S Filter HEPA 13 Activated Carbon Combo Air Filter Bambulab P2S Accessories
Aliexpress UK
A motorised fan can also be added to this model to enhance ventilation, see Fiamma Turbo Kit. A 50 x 50cm roof vent with �pantograph opening� allowing the vent to be opened on all four sides using practical handles which benefit from anti-theft locking.
eBay
Air Filter For Xiaomi Mi 1/2/2S/2C/2H/3/3C/3H Air Purifier Filter Activated Carbon Hepa PM2.5 Filter Anti Bacteria Formaldehyd
Aliexpress UK