The 4″ Gravity Pre-Filter, manufactured by Kockney Koi, is a versatile component designed to protect pipework while maintaining excellent water flow. Commonly used as a large internal vent cowl, it prevents fish, debris, and larger solids from entering 4″ gravity-fed pipework, making it ideal for pond and filtration installations.
With a 12″ diameter body and a 4″ solvent weld outlet, this pre-filter offers a large surface area to reduce flow restriction while providing effective protection at pipe inlets located inside the pond or chamber.
Key Features:
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Fish & Debris Protection: Prevents fish and unwanted solids from entering pipework where they are not wanted.
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Large Vent Cowl Design: Ideal for use inside ponds or chambers as a protective intake cover.
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High-Flow Performance: Large 12″ diameter body helps maintain smooth, unrestricted gravity flow.
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4″ Solvent Weld Connection: Securely connects to standard 4″ solvent weld pipework.
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Durable Construction: Manufactured from high-quality, corrosion-resistant materials for long-term use in aquatic environments.
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Kockney Koi Quality: Designed and produced by Kockney Koi for reliability, performance, and ease of installation.
The 4″ Gravity Pre-Filter / Vent Cowl from Kockney Koi is an essential solution for protecting pipe inlets while ensuring efficient gravity flow, helping to keep your pond system safe, tidy, and operating at its best.
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