View cart “#3417: Bulkhead fitting” has been added to your cart. #3413: 75mm Warm Air Wye$72.00 #3413: 75mm Warm Air Wye quantity Add to cart Description Description #3413: 75mm (3″) Warm air poly branch wye Related products Add to cart #3417: Bulkhead fitting $40.00 Add to cart Wallas 22GB Diesel Heater Installation Kit Add to cart #5316 Isolation kit $18.00