Delivery Update June 25th 2026
Interislander ferry sailings have been suspended due to severe weather across New Zealand.
Delivery delays of at least 3–4 days are expected due to disruptions affecting freight between the North and South Islands. We appreciate your patience and understanding while these conditions continue.

Large & Custom Plenums

Extended height plenums for applications requiring increased airflow volume or special installations.

$0.00

RRP $347.50
$302.17

RRP $537.00
$466.96

RRP $492.00
$427.83