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Add to CartThe Whitecap Duplex Stainless Steel Thru-Hull is available in a variety of sizes to fit a wide range of boats and applications. These Thru-Hulls are constructed of durable stainless still that is more dense and has greater rust resistance than traditional 316 stainless steel.
Specifications:
| Part No. | Hose Size | Flange O.D. | Thread Length | Barb Length | Overall Length | Cut-Out | Max Hull Thickness |
| 6540X | 5/8" | 1-7/8" | 1" | 1" | 2-1/4" | 1-1/8" | 5/8" |
| 6541X | 3/4" | 1-7/8" | 1" | 1" | 2-1/2" | 1-1/8" | 5/8" |
| 6542X | 1" | 1-7/8" | 1-1/8" | 1" | 2-1/2" | 1-1/2" | 5/8" |
| 6543X | 1-1/8" | 1-7/8" | 1-1/4" | 1" | 2-1/2" | 1-1/2" | 5/8" |
| 6544X | 1-1/4" | 1-7/8" | 1-1/4" | 1" | 2-5/8" | 1-3/4" | 5/8" |
| 6545X | 1-1/2" | 3-1/8" | 1-1/4" | 1-1/2" | 3-1/8" | 1-3/4" | 5/8" |
California Residents: 
WARNING
Cancer and Reproductive Harm -
P65Warnings.ca.gov
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