EasyPro Aeration Kit for Shallow Ponds PA8SWN Dual Air Diffuser Kit. For ponds 7 foot deep or less these linear powered aeration systems are a great choice. Pond aeration air compressor with double air diffuser system, use the dual diffuser system for long and narrow or irregular shaped ponds. Kit includes Quick Sink tubing for easy installation. Part # – PA8SWN. Double self-weighted diffuser system with KLC80 Compressor. Of 1/2 Quick Sink Tubing Included. Long lasting, oil free design. Weather resistant enclosures – can be used outdoors. For maximum longevity use additional protection from elements. Max Operating Depth: 7′ ft. Air Outlet Size: 5/8 inch. Compressor has 6′ ft Power Cord. At Graystone Creations we promise you the following. Fair and Honest Pricing. Thank you for your interest and we look forward to assisting you further.