National Ventilation 136-24 Adjustable Air Valve White 100 mm / 4 Inch

(1 customer review)

£9.46 Ex VAT

Out of stock

Description

Adjustable centre ring.

Used for passive ventilation or with in-line fans.

For internal use only.

Overall external diameter below fitted surface: 147mm. Duct connection diameter: 100mm.

1 review for National Ventilation 136-24 Adjustable Air Valve White 100 mm / 4 Inch

  1. Lenore

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