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Product Details

Perko Clam Shell vents are made of chrome plated brass and measure 1-5/8 inches high, 4" x 3-3/4". Clamshell vents are compact, versatile solutions to cabin and other below decks ventilation issues. Vents will cover a variety of different sized holes depending on mounting position and location, and install with #6RH type screws.

Tech Specs
Perko Part Dimensions Base Width x Height Opening Screw Size
0315DP1CHR1-5/8" x 1-1/2"7/8" x 7/16"#4
0315DP2CHR2" x 2"1-7/8" x 9/16"#6
0339DP0CHR4" x 3-3/4"2-1/2" x 1-5/8"#6

Reviews for Perko Clam Shell Ventilator

2 of 2 Reviews

August 1, 2020

Yes
By Al from Cleveland

Verified Purchase

I have a 1953 Lyman Islander Perko clamshell vents are the best match for me

Bottom Line Yes, I would recommend to a friend

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December 9, 2015

Exactly like the product installed by the manufacturer
By Charlie from Topsail Island,NC

Verified Purchase

Replacing tarnished and corroded hardware

Bottom Line Yes, I would recommend to a friend

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