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5/8″ Marine Holding Tank Vent Filter with Coconut Carbon

$26.99 on Amazon.com (as of October 17, 2026, 1:55 PM EST) View details ↗

Maintain a fresh and odor-free environment aboard your vessel with this high-performance marine holding tank vent filter. Specifically engineered for 5/8-inch inner diameter vent hoses, this unit serves as a direct replacement for original equipment filters from leading marine sanitation manufacturers, including Dometic, SeaLand, SaniGuard, ECO, and DVF. By integrating into your existing plumbing system, it effectively captures and neutralizes unpleasant gases generated within the holding tank before they are released through the vent line, preventing sewage odors from permeating the cabin or deck areas.

The filtration core utilizes premium coconut shell activated carbon, a media known for its superior adsorption capabilities compared to standard charcoal. This dense carbon media is particularly effective at trapping hydrogen sulfide and other odor-causing compounds, ensuring reliable odor control. The filter is housed in a durable ABS shell that withstands the harsh conditions of a marine environment, while the precision-sealed design ensures that all airflow passes through the carbon media for maximum efficiency. Installation is straightforward and requires no special tools; the unit connects securely to standard mounting brackets and hose connections, allowing for a quick, leak-free setup that takes only minutes to complete.

Designed for long-term durability, this vent filter offers a service life of approximately six to twelve months, depending on vessel usage and tank capacity. Its universal compatibility with standard 5/8-inch systems means no resizing, adapters, or complex modifications are necessary. This is an essential maintenance component for boat owners who prioritize hygiene and comfort, providing a cost-effective solution to eliminate persistent holding tank odors without disrupting the existing sanitation infrastructure.

Hose Diameter5/8″
Filter MediaCoconut Shell Activated Carbon
Housing MaterialABS
CompatibilityDometic, SeaLand, SaniGuard, ECO, DVF
Service Life6–12 Months
Does this filter require any special tools for installation?
No, the filter is designed for easy installation in minutes and can be connected to your existing vent hose and mounting bracket without tools.
Is this vent filter compatible with Dometic systems?
Yes, it is engineered as a direct replacement for vent filters used in systems from Dometic, SeaLand, SaniGuard, ECO, and DVF.
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