As an Amazon Associate I earn from qualifying purchases.1. Manrose
Manrose 4" Brown Wall Grille with Gravity Flaps for Extractor Fan, Round Spigot
Manrose - Front grille Measures Approx 140mm square. Gravity grille with Round Spigot To Rear. Spigot accepts 100mm 4" Ducting.
2. Manrose
White, Manrose 1162w 100 mm 4-inch Gravity Wall Grille
Manrose - Easy to fit. This grille has a round spigot - suitable for 4" diameter ducting. Connects directly to ducting. Can be used with 1021.
3. Kair
4 inch Round Rear Spigot and Not-Return Shutters Ducting Air Vent, Kair Black Gravity Grille 155mm External Dimension with 100mm
Kair - Static pressure drop in Pascals: 15 l/s = 1094 pa - 30 l/s = 18. 59 pa - 60 l/s = 24. 21 pa. Black plastic ducting air inlet / air outlet with gravity Shutters. 155mm x 155mm external dimension with 4 inch / 100mm round male rear spigot on the back of the grille for indoor or outdoor use.
Perfectly suited bathroom or Kitchen extractor fan, Hydroponics fan, or In-Line Extract Fan. Easy to install, just push-fit duct and fittings together.
This grille can be used as a part of a long ductwork run for a variety of purposes including whole house ventilation, positive input, HVAC, passive ventilation, air conditioning, and Heat Recovery Systems.
Gravity flap - no need for springs that could break. Stops unpleasant odours, noises, or draughts flowing back through your duct. Free air: 7200mm2. Airflow performance independently tested by BSRIA or BRE. Suitable to use in compliance with part f building regulations. Non-return shutter flaps close automatically when not in use.
| Brand | Kair |
| Manufacturer | Kair |
| Height | 15.5 cm (6.1 Inches) |
| Length | 15.5 cm (6.1 Inches) |
| Weight | 0.08 kg (0.18 Pounds) |
| Width | 4 cm (1.57 Inches) |
| Part Number | DUCVKC243-BK |
Manrose - Front grille Measures Approx 140mm square. Gravity grille with Round Spigot To Rear. Spigot accepts 100mm 4" Ducting.
Kair - Static pressure drop in Pascals: 15 l/s = 1094 pa - 30 l/s = 18. 59 pa - 60 l/s = 24. 21 pa. Black plastic ducting air inlet / air outlet with gravity Shutters. 155mm x 155mm external dimension with 4 inch / 100mm round male rear spigot on the back of the grille for indoor or outdoor use.
