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Bronze Thru-Hull 2" Quantity in Basket: None Code: 1964 Price: $75.99 Shipping Weight: 3.50 pounds Quantity: Groco TH2000W bronze 2" thru-hull. Flange is machined and grooved to retain bedding compound. Neck is threaded approx. 3/8" from flange. For 2" pipe, flange OD 3-5/8".