Biotek Marine IntelliNuts are 3D Printed and completely reef safe as are all of our 3D printed products.
Avaiable in individual sizes or as a full set of nuts. Compatible with Lifegard Aquatics Bulkheads.
Each Kit Includes 1 x Bulkhead IntelliNut and one Wrench Handle. (Also available without the wrench)
Note: Over tightening can distort the bulkhead gasket and cause leaking. Be sure not to over do it.