Replacement RS-1SG Filter Cartridge

The RS-1SG Replacement Water Filter Cartridge is a high-performance water purification filter designed for use with Seagull IV and compatible X-1 water filtration systems commonly installed in caravans, motorhomes, campervans, and marine applications.

This advanced filter uses structured matrix filtration technology to remove a wide range of contaminants including bacteria, cysts, viruses, chemicals, and unpleasant tastes or odours, ensuring safe and clean drinking water wherever you travel.

With a high flow rate and large filtration capacity, the RS-1SG is ideal for onboard water systems, providing reliable purification without the need for chemicals or additives.

The cartridge is designed as a direct replacement unit, making installation quick and simple when your existing filter reaches the end of its lifespan.

How This Water Filter Works

This filter forms part of a pressurised onboard water purification system.

Typical Caravan Water System

Water Tank / External Supply
→ RS-1SG Filter Cartridge
→ Tap / Drinking Water Outlet

Function of the Filter

Advanced Filtration

• Removes bacteria, cysts, viruses, and chemical contaminants.

Taste & Odour Improvement

• Eliminates unpleasant smells and flavours.

High Flow Performance

• Provides clean water at a strong flow rate for daily use.

The system delivers safe, purified drinking water directly from your onboard supply.

Why Choose the RS-1SG Filter Cartridge?

• High-capacity water purification filter

• Removes bacteria, viruses, cysts and chemicals

• Improves taste and odour of water

• Compatible with Seagull IV and X-1 systems

• Chemical-free filtration technology

• Ideal for caravan and motorhome water systems

What’s Included

• 1 × RS-1SG replacement filter cartridge

Key Features

• Product Name: RS-1SG Replacement Water Filter Cartridge

• Brand: General Ecology (Seagull compatible)

• Manufacturer Part Number: RS-1SG / 788000

• Product Code / SKU: 26624

• Filter Type: Structured matrix water purification filter

• Filtration Capacity: Approx. 3800 litres (1000 gallons)

• Flow Rate: Approx. 3.8 litres per minute

• Contaminant Removal: Bacteria, viruses, cysts, chemicals, taste & odours

• Compatibility: Seagull IV & X-1 purification systems

• Condition: New

• Product Weight: Approx. 0.5 kg

Where It Fits

This filter is designed for installation in:

• Caravan water filtration systems

• Motorhome drinking water systems

• Campervan water purification setups

• Marine and boat water systems

• Off-grid water filtration systems

It fits directly into Seagull IV or compatible filtration housings.

Suitable For Vehicles

This product is commonly used in:

• VW Transporter campervans (T5 / T6 / T6.1)

• Fiat Ducato motorhomes

• Peugeot Boxer motorhomes

• Citroen Relay campervan conversions

• Ford Transit campervans

Touring caravans including:

• Bailey

• Swift

• Elddis

• Coachman

• Lunar

These vehicles often use integrated drinking water filtration systems for onboard use.

Ideal For

This product is ideal for:

• Caravan drinking water systems

• Motorhome water purification systems

• Campervan off-grid water setups

• Van conversion water filtration

• Marine and boat water systems

• Safe onboard drinking water supply

System Compatibility

Compatible with Seagull IV and X-1 water purification systems.

Fitting Instructions

1. Turn off the water supply to the system.

2. Open the filter housing unit.

3. Remove the existing RS-1SG cartridge.

4. Insert the new filter cartridge into the housing.

5. Reassemble the housing and secure tightly.

6. Turn on the water supply and flush the system before use.

Replace the cartridge after approximately 3800 litres or when flow reduces.

Product Summary

The RS-1SG Replacement Water Filter Cartridge (26624) is a high-capacity water purification solution for caravans, campervans, motorhomes, and marine systems. Designed for Seagull IV filtration units, it removes harmful contaminants while improving water taste and clarity.

Ideal for off-grid living, campervan conversions, and caravan water systems, this filter ensures safe and reliable drinking water wherever your journey takes you.