DB5 Through Wall Draught Reducing Vent 5 inch MULTI BUY DISCOUNT
Meets all BS5440 Pt.2:2000 requirements for draught reducing ventilator sets.
High draught resistance and High equivalent free area.
External flush fit with optional external cowl included.
Tested to Advantica test procedure for equivalent free area and passed.
No direct light penetration with the ability to have air path inspected to check for blockage.
Unable to become blocked by cavity foam insulation.
Louvre gaps to stop vermin or becoming blocked.
Size 5 inches
Equivalent free area 75cm sq
rates input 22kw net ( 24kx gross)
All draught reducing vents are available to buy online through DIBuy with fast UK wide delivery and multibuy discounts.
BULK BUY DISCOUNT
Please note: This product has BULK BUY multicolour options. Mix and match your colours and quantities and we will apply your BULK BUY discount in the cart page.
Buy 10 or more at £28.42 ex.VAT each!
Buy 50 or more at £26.93 ex.VAT each!
Buy 100 or more at £25.43 ex.VAT each!
Buy 200 or more at £23.94 ex.VAT each!
Buy 400 or more at £22.44 ex.VAT each!
Buy 800 or more at £20.94 ex.VAT each!
