EV-400 Hi-Flow Double Eaves Vent (Patented) The Patented EV-400 Hi-Flow Double Eaves Vent is a premium, dual-outlet ventilation solution designed to exhaust two ceiling fans — typically bathroom and W/C systems — through a single eaves vent. Engineered for superior airflow, low noise, and full bushfire compliance, it delivers powerful extraction without any roof penetrations. Dual-Outlet Vent Bathroom + W/C Fans No Roof Penetrations CSIRO Credited BAL 12.5–40 Key Features Dual outlet design — connects two 150 mm ducts, ideal for venting a bathroom and W/C exhaust fan through a single eaves point. Engineered for safety — certified to AS3959: BAL 12.5 – BAL 40, suitable for bushfire-prone regions. Internal divider plate — prevents cross-contamination between rooms for hygienic performance. Optimised airflow — Hi-Flow geometry lowers back-pressure and reduces noise for smoother operation. Pest & ember protection — precision-perforated face blocks flies, vermin, and embers from entering the home. Low maintenance — robust steel construction, simple to clean, and built for long-term reliability. Specifications Application Dual ceiling exhaust fans (bathroom + W/C) Installation Under-eaves (external discharge) BAL Rating Certified for BAL 12.5 – BAL 40 (AS3959) Outlets 2 × 150 mm spigots Material Zincalume® or Colorbond® steel Colour White FAQ What can the EV-400 vent?Two separate ceiling exhaust fans — commonly a bathroom and a W/C. Is it suitable for bushfire areas?Yes, certified to BAL 12.5 to BAL 40 for bushfire-prone regions. Do I need to cut the roof?No — the vent mounts under the eaves, avoiding roof penetrations completely. Note: Professional installation recommended.
