Description
Attwood Marine Thru Hull SS 3/4″ Short 66541-3
Cast from 316 stainless steel. A channel under the flange holds a bead of sealant. All models have wrench flats or an end notch. Designed for installation above the water line only. Lifetime warranty.
![SmartPlug 50 Amp 50 Dual Configuration Cordset w/Marina Park Power End [C50504]](https://www.durablemarinebattery.com/wp-content/uploads/2026/08/smartplug-50-amp-50-dual-configuration-cordset-w-marina-park-power-end-c50504.webp)
![Sudbury Elastomeric Marine Sealant – 10oz Cartridge – White [300]](https://www.durablemarinebattery.com/wp-content/uploads/2026/08/sudbury-elastomeric-marine-sealant-10oz-cartridge-white-300.webp)
![Jabsco Mag Drive Centrifugal Pump – 14GPM – 110V AC[436979]](https://www.durablemarinebattery.com/wp-content/uploads/2026/08/jabsco-mag-drive-centrifugal-pump-14gpm-110v-ac-436979.webp)
![Blue Sea 7542 C-Series Flat Rocker Circuit Breaker – Single Pole – 15A [7542]](https://www.durablemarinebattery.com/wp-content/uploads/2026/08/blue-sea-7542-c-series-flat-rocker-circuit-breaker-single-pole-15a-7542.webp)
![Presta PACE Heavy Cut Compound – 32oz [133132]](https://www.durablemarinebattery.com/wp-content/uploads/2026/08/presta-pace-heavy-cut-compound-32oz-133132.webp)
![Ocean Signal RescueME EDF1 Electronic Distress Flare – 7 Mile Range[750S-01710]](https://www.durablemarinebattery.com/wp-content/uploads/2026/08/ocean-signal-rescueme-edf1-electronic-distress-flare-7-mile-range-750s-01710.webp)
![Blue Sea 1455 4 Position Switch CLB Square[1455]](https://www.durablemarinebattery.com/wp-content/uploads/2026/08/blue-sea-1455-4-position-switch-clb-square-1455.webp)