Needed bulkhead washes 4in OD and 3.5 in od

[Reefer Robbie]

I just picked up 135 gallon reef tank from eBay. Got it for a very good price is in great condition. What I need is washers for my bulkheads there's one Inlet bulkhead and two drain bulkheads.the drain bulk is 3 inch id and 4 inch od . the intake drains are 2.5 inch inside diameter and 3.5 inch outside diameter. I can't seem to find them anywhere

 

[ca1ore]

Bulkreefsupply carries the bulkhead washers.