Set of black aquarium bulkhead fittings, new in the box. For drilling a tank or sump - plumbing for overflows and returns. Less than a year old. I have more aquarium gear for sale too (sumps, filters, decor, more tanks) - just ask. Text me at 954-271-0228. Asking $40 or best offer. Pickup in Hollywood, FL 33019. Pay with cash, Cash App ($Nik1475), Zelle, or credit/debit card (Square) at pickup. If the listing is up, it's available.