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1/2 inch bulkhead, slip on the flange end, thread on the back. Needs 1 1/8" hole.

1/2 inch bulkhead, threaded on the flange end, slip on the back. Needs 1 1/8" hole.

3/4 inch bulkhead, slip x slip.

3/4 inch bulkhead, slip x thread.

3/4 inch bulkhead, thread x thread

1" slip x slip Bulkhead

1" thread x slip Bulkhead

1" thread x thread Bulkhead

Inch and a half Slip x Slip bulkhead.

Inch and a half Slip x Thread bulkhead.

Inch and a half Thread x Slip bulkhead.

Inch and a half Thread x Thread bulkhead.

2"  Bulkhead fitting, Slip x Thread

2"  Bulkhead fitting, Thread x Slip

1 inch gasket that fits our bulkheads

1.5 inch gasket that fits our bulkheads

Teflon® based gasket lubricant that is great to put on seals, o-rings, bulkhead nut threads. I even use it to seal the neck of my protein skimmer! Now with twice the teflon®! That means it used to have only half as much!