---
product_id: 311111633
title: "Holding Tank Vent Filter - Direct Generic Replacement for: Dometic, SeaLand, ECO, SaniGuard, Marine Holding Tank Vent Filter, 309311002 309310002 (5/8\" vent hose with 3/4\" GHT connectors)"
brand: "yachtzmarine"
price: "R2114"
currency: ZAR
in_stock: true
url: https://www.desertcart.co.za/products/311111633-holding-tank-vent-filter-direct-generic-replacement-for-dometic-sealand
store_origin: ZA
region: South Africa
---

# 2-3x more effective catalytic carbon Direct fit for 5/8" vent hose Family-owned USA-based support Holding Tank Vent Filter - Direct Generic Replacement for: Dometic, SeaLand, ECO, SaniGuard, Marine Holding Tank Vent Filter, 309311002 309310002 (5/8" vent hose with 3/4" GHT connectors)

**Brand:** yachtzmarine
**Price:** R2114
**Availability:** ✅ In Stock

## Summary

> 🛥️ Breathe Easy on the Water — Say Goodbye to Stinky Boat Vents!

## Quick Answers

- **What is this?** Holding Tank Vent Filter - Direct Generic Replacement for: Dometic, SeaLand, ECO, SaniGuard, Marine Holding Tank Vent Filter, 309311002 309310002 (5/8" vent hose with 3/4" GHT connectors) by yachtzmarine
- **How much does it cost?** R2114 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/311111633-holding-tank-vent-filter-direct-generic-replacement-for-dometic-sealand)

## Best For

- yachtzmarine enthusiasts

## Why This Product

- Trusted yachtzmarine brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Premium Carbon Power:** Uses catalytic activated carbon that outperforms typical filters by 2 to 3 times for superior odor control.
- • **Lightweight & Compact:** Slim 40.64 cm design weighing just 689g fits seamlessly without adding bulk.
- • **Plug & Play Replacement:** Snaps into existing 5/8" vent hose systems with standard 3/4" GHT connectors—no extra fittings needed.
- • **Support Small, Sail Big:** Backed by a USA family-owned business ensuring quality service and hassle-free warranty.
- • **Odor-Free Sailing, Guaranteed:** Eliminates foul marine holding tank odors with advanced activated carbon technology.

## Overview

The yachtZmarine Holding Tank Vent Filter is a direct replacement filter designed for 5/8" marine vent hoses with 3/4" GHT connectors. Featuring catalytic activated carbon that is 2-3 times more effective at neutralizing sewage odors, it ensures a fresher boating experience. Manufactured with a focus on quality and supported by a USA family-owned business, this lightweight, easy-to-install filter snaps into place using existing mounts and comes with a hassle-free warranty.

## Description

yachtZmarineHolding Tank Vent Filter - Direct Generic Replacement for: Dometic, SeaLand, ECO, SaniGuard, Marine Holding Tank Vent Filter, 309311002 309310002 (5/8" vent hose with 3/4" GHT connectors)

## Features

- HAVE A STINKY BOAT? - Each time you flush, the foul smelling air trapped inside of your marine holding tank is exhausted outside of your boat through a vent. Eliminate these odors by replacing your old expired holding tank vent filter with a yachtZmarine replacement filter.
- HIGHEST QUALITY CARBON - yachtZmarine holding tank vent filters utilize only the best catalytic activated carbon which was specifically developed for removing sewage odors from air streams. The carbon material of our filter has 2 to 3 times the effectiveness of other general activated carbon and chemically impregnated activated carbon filters.
- INCLUDES REPLACEMENT FILTER ONLY - mounting brackets and fittings are not included. This yachtZmarine vent filter is a direct replacement for your current expired filter and will simply snap into place using the existing mounting brackets of your previously installed holding tank ventilation system. FOR 5/8" VENT HOSE APPLICATIONS ONLY - with standard 3/4" GHT (garden hose threaded) end connectors. Not for use with 1-1/2" vent hose applications.
- USA SMALL FAMILY OWNED AND OPERATED - We are a very small family business working hard on our American Dream. While this product is manufactured in China, the vast majority of the purchase price remains fully within the USA. Our product design, marketing, sales, support, storage, shipping, insurance, taxes, tariffs, and all other costs are provided directly by our family business as well as many other small, medium and large USA based companies.
- HASSLE FREE WARRANTY and RETURN POLICY - If for any reason you are not 100% satisfied with your yachtZmarine holding tank vent filter, we will immediately replace or fully refund your purchase - GUARANTEED.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Batteries Included? | No |
| Brand | yachtZmarine |
| Manufacturer | MMXX Holdings, Inc. |
| Product Dimensions | 40.64 x 7.62 x 7.62 cm; 689 g |
| ASIN | B091V476FT |

## Product Details

- **Brand:** yachtZmarine
- **Color:** White
- **Connector Type:** GHT
- **Item dimensions L x W x H:** 16 x 3 x 3 inches
- **Manufacturer:** MMXX Holdings, Inc.
- **Material:** Activated Carbon
- **Number of Pieces:** 1
- **Size:** 5/8 inches
- **Thread Size:** 5/8
- **Thread Type:** GHT

## Images

![Holding Tank Vent Filter - Direct Generic Replacement for: Dometic, SeaLand, ECO, SaniGuard, Marine Holding Tank Vent Filter, 309311002 309310002 (5/8" vent hose with 3/4" GHT connectors) - Image 1](https://m.media-amazon.com/images/I/614k2eVIivS.jpg)

## Questions & Answers

**Q: We just bought 2 of these filters which side is vent and which is tank side ?**
A: I bought one as well and there were no flow directional markings. I contacted the seller and they replied back with the following answer " you can install it in any direction". I'm skeptical, but will return if it doesn't work.

**Q: Hello, is this filter an exact replacement for the Sealand Sanigard part# 309310001?**
A: This filter fits and does the job. It fits the connectors and provides the odor filter necessary, however with any overfill, the filter must be replaced b

**Q: Hola funciona para yate sea ray  sundancer 41 ft2001**
A: Si. Tengo una 340 del 2004 y tienen el mismo "holding tank".

**Q: If water enters this filter is it still effective?**
A: the answer is after water enters it is no good

## Frequently Bought Together

- Holding Tank Vent Filter - Fits 5/8" Vent Hose Applications - Direct Generic Replacement for: Dometic, ECO, DVF, Sealand, SaniGuard - Marine Head VacuFlush Boat Waste Filters - 9108849515 309311004
- Holding Tank Vent Filter - Installation Kit Only - Fits 5/8" Vent Hose Applications - Direct Generic Replacement for: Dometic, ECO, DVF, Sealand, SaniGuard - Marine Boat Head - 9108849515 309311004
- Zaal NoFlex Digestor Boat and RV Sewage Treatment | Liquifies and Removes Sludge, BuildUps, Neutralizes Bad Odors, Eliminates Waste | No Harsh Chemicals, Leaves Septic Tank Clean, Healthy and Odorless

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**Shop now:** [https://www.desertcart.co.za/products/311111633-holding-tank-vent-filter-direct-generic-replacement-for-dometic-sealand](https://www.desertcart.co.za/products/311111633-holding-tank-vent-filter-direct-generic-replacement-for-dometic-sealand)

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*Product available on Desertcart South Africa*
*Store origin: ZA*
*Last updated: 2026-03-12*