Extension tunnel ZTR is recommended for installation with TWR or TLR in case the distance from top edge of batten to ceiling finish level is over 1.85 m. ZTR in combination with TWR or TLR can be used for tunnel lengths of up to 6m. This is a 600m extension section for 14" rigid diameter sun tunnel.
VELUX ZTR 0K14 0062 Extension Section 600mm for 14'' Rigid Sun Tunnels
£74.40incl VAT.
£62.00excl VAT.
Extension tunnel ZTR is recommended for installation with TWR or TLR in case the distance from top edge of batten to ceiling finish level is over 1.85 m. ZTR in combination with TWR or TLR can be used for tunnel lengths of up to 6m. This is a 600m extension section for 14″ rigid diameter sun tunnel.
