Top 3 Manrose Gravity Grille UK – Registers, Grilles & Vents

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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.
Part Number1162w

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.
Height15.5 cm (6.1 Inches)
Length15.5 cm (6.1 Inches)
Weight0.08 kg (0.18 Pounds)
Width4 cm (1.57 Inches)
Part NumberDUCVKC243-BK