Securit Plastic Louvre Vent White (9in x 6in)

Securit Aluminium Slotted Louvre Vent Silver (9in x 3in)

Securit Plastic Louvre Vent Brown (9in x 6in)

Securit Plastic Louvre Vent White (9in x 3in)

Galvanised Metal Circular 100mm / 4 inch Weather Louvre Air Vent Grille with Insect Screen by i-sells

Carlisle Brass Polished Brass Hooded Louvre Vent (HL6)

9" x 9" Louvre Vent Brass Anodised Aluminium / Metal Ventilation Grille Cover

Securit Plastic Louvre Vent White (One Size)

White Louvre Vent 9 x 6 internal vent

Securit Plastic Louvre Vent White (9in x 9in)

Securit Plastic Louvre Vent White (6in x 3in)

Carlisle Brass Polished Brass Hit and Miss Vent (HM4)

Victorian Locking Night Vent Polished Brass

White Louvre Air Vent 6" x 3" Plastic Grille for Internal and External Use

Carlisle Brass Satin Stainless Steel / Satin Chrome Hooded Louvre Vent (HL6SSSC)

Carlisle Brass Satin Stainless Steel / Satin Chrome Hit and Miss Vent (HM4SSSC)

Buff Louvre Air Vent 6" x 3" Plastic Grille for Internal and External Use

Carlisle Brass Polished Brass Hooded Louvre Vent (HL4)

Carlisle Brass Satin Stainless Steel / Satin Chrome Hooded Louvre Vent (HL4SSSC)

Manrose Chrome effect Rectangular Fixed louvre vent V1840S, (H)152mm (W)229mm