The gas blocks are high-quality push-to-fit fittings designed to be used between indoor and outdoor environments to prevent air flow that may result in water condensing in the ducts. The connectors are made from clear polycarbonate, this material is highly light transparent, impact-resistant and durable.
12mm Duct Part#
For 3-6mm cable: HXMPB30607/120-1
For 6-8mm cable: HXMPB30607/120-2
For 8-10mm cable: HXMPB30607/120-3
14mm duct Part#
For 6.5-7.2mm cable: HXMPB30607/14A
For 7.6-8.2mm cable: HXMPB30607/14B