LIFEGARD Aquatics Bulkhead are commenly used as through wall fittings in Aquariums, Rain Barrels, Irrigation and other applications. This bulkhead is designed for standard US pipe size or Thread size. If you are using the slip bulkhead with a PVC pipe use any standard ABS to PVC glue from Lowes or Home Depot to seal it. It is recommended that you apply glue on the pipe as well as inside the slip part of the bulkhead. If you are using a Threaded bulkhead simply wrap 6 to 7 layers of thread seal tape and thread in the required fitting. Enhance the plumbing operation and the look of your setup LIFEGARD Aquatics Bulkheads. All Bulkheads include a bulkhead fitting, gasket and lock nut crafted from high-impact resistant PVC to eliminate the possibility of finding cracking. Lifegard Aquatics is pleased to offer a complete line of aquaculture products for ponds, water gardens, aquariums and more. From full spectrum LED lighting to crystal aquariums and water and garden pond pumps, find high-quality aquatics at Lifegard. Scroll up & click 'ADD TO CART' to get yours