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Accessories for aquarium reverse osmosis

Accessories for aquarium reverse osmosis

Accessories for aquarium reverse osmosis are components that make it easier to install, service and expand RO and RO-DI systems used to prepare water for aquariums. This category includes connectors, tubing, housings, brackets, valves and other auxiliary parts for aquarium filters. Properly selected accessories help maintain installation tightness, correct water flow and convenient operation of the RO system.

There are 60 products.

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Showing 1-24 of 60 item(s)
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Reviews: 3

KTPE14R red hose 1/4" 6.4mm

KTPE14R red tubing 1/4" (6.4 mm) for reverse osmosis systems and water treatment installations. Made of polyethylene, flexible, resistant to abrasion and the action of many chemical compounds. Fits connectors and quick couplings for 1/4" tubing. Recommended working pressure: up to 10 bar. Price refers to 1 meter.
Accessory type
Hose / tube
Tube outer diameter
1/4″
Compatibility
Universal RO systems

Brand: TOP FILTER

Ships in 24h | 14-day returns
Price 1.60 zł
Reviews: 1

A4UC4-W straight connector 1/4T x 1/4T

A4UC4-W is a straight connector 1/4T x 1/4T for quick connection of 1/4 inch hoses used in under-sink water treatment systems, including reverse osmosis. Quick-connect installation: simply push the hose in until it stops. It facilitates the extension of the installation and allows connecting two sections of the pipe without Teflon tape and without twisting.
Accessory type
Fitting
Connection
1/4″
Tube outer diameter
1/4″
Compatibility
Universal RO systems

Brand: WODARO

Ships in 24h | 14-day returns
Price 3.50 zł
Reviews: 1

A4SA4-W straight connector 1/4GZ x 1/4W

A4SA4-W to straight connector for water treatment systems: 1/4" (6.4 mm) plug on one side and external thread 1/4" on the other. It allows for a transition from a threaded connection to a non-threaded one, e.g., to connect a 1/4" hose to an element with a 1/4" thread.
Accessory type
Fitting
Tube outer diameter
1/4″
Compatibility
Universal RO systems

Brand: WODARO

Ships in 24h | 14-day returns
Price 4.00 zł
Reviews: 1

A4MC4-W straight connector 1/4GZ x 1/4T

A4MC4-W straight quick connector 1/4" GZ x 1/4" for tubing (6.4 mm) Mounting connector for home water filters and under-sink systems, including RO. The tubing is pushed in firmly to the quick connector, without additional twisting. Use Teflon tape only on the threaded part.
Accessory type
Fitting
Tube outer diameter
1/4″
Compatibility
Universal RO systems

Brand: WODARO

Ships in 24h | 14-day returns
Price 3.50 zł
Reviews: 1

A4ME4-W angled connector elbow 1/4GZ x 1/4T

Angle connector (elbow) A4ME4-W for water treatment installation: 1/4" external thread x 1/4" for tubing . Equipped with a quick-connect mechanism that allows you to secure the hose by pushing it in until it stops, without additional twisting. Use Teflon tape only on the threaded component.
Accessory type
Fitting
Tube outer diameter
1/4″
Compatibility
Universal RO systems

Brand: WODARO

Ships in 24h | 14-day returns
Price 3.50 zł
Reviews: 1

A4ME2-W elbow connector 1/4T x 1/8 GZ

A4ME2-W elbow connector, a quick connector for water treatment installations and RO membrane housings. It allows for the connection of a 1/4" (6.4 mm) hose to a 1/8" external thread. The installation of the cable is done by pushing it in until it stops, which facilitates quick servicing and replacement of components in the system.
Accessory type
Fitting
Tube outer diameter
1/4″
Compatibility
Universal RO systems

Brand: WODARO

Ships in 24h | 14-day returns
Price 3.50 zł
Reviews: 1

FR-800 flow restrictor

FR-800 restrictor (flow limiter) for reverse osmosis systems, mounted on the wastewater outlet. It enforces the correct flow of rinse water through the membrane, which helps remove accumulated contaminants and supports its longevity. Connection via quick couplings. Recommended replacement when installing a new membrane. Compatible with 75 GPD membranes.
Accessory type
Flow restrictor
Compatibility
Universal RO systems

Brand: TOP FILTER

Ships in 24h | 14-day returns
Price 19.90 zł
Reviews: 1

FR-420G flow restrictor GRAY

FR-420G is a professional flow restrictor for reverse osmosis systems, mounted on the wastewater outlet with quick connectors. It enforces the proper water flow, supports membrane flushing, and helps to drain accumulated contaminants into the sewage system. Recommended replacement every few years, especially with heavily contaminated water. Model adapted for 75 GPD membranes.
Accessory type
Flow restrictor
Compatibility
Universal RO systems

Brand: TOP FILTER

Ships in 24h | 14-day returns
Price 20.00 zł
Reviews: 1

FR-420 flow restrictor

FR-420 restrictor (flow limiter) for reverse osmosis systems, mounted on the wastewater outlet. Connected via quick couplings. It enforces the correct flow of rinse water through the membrane, which helps remove accumulated contaminants and supports the membrane's lifespan. Recommended replacement every few years and each time the membrane is replaced. Designed for 75 GPD membranes.
Accessory type
Flow restrictor
Compatibility
Universal RO systems

Brand: TOP FILTER

Ships in 24h | 14-day returns
Price 15.50 zł
Reviews: 1

KTPE14BL blue hose 1/4" 6.4mm

KTPE14BL is a standard blue 1/4" (6.4 mm) tubing for reverse osmosis systems and under-sink filters. Made of polyethylene, it is resistant to many chemical compounds and abrasion, while also being flexible. It fits connectors and quick couplings for 1/4" tubing. Recommended working pressure: up to 10 bar. Price refers to 1 meter.
Accessory type
Hose / tube
Tube outer diameter
1/4″
Compatibility
Universal RO systems

Brand: TOP FILTER

Ships in 24h | 14-day returns
Price 1.60 zł
Reviews: 0

3/8 INCH TEE WITH VALVE FOR REFRIGERATOR WATER LINE FILTER

3/8 inch tee (male thread x female thread) with a ball valve and hose outlet is a practical connection for water installations. It allows for the splitting of supply to two outlets and conveniently shuts off the water flow with one motion. Designed for connections in water filtration systems, including refrigerators, under-sink filters, and reverse osmosis systems. Compatible with 1/4 inch hose.
Accessory type
Water connection
Connection
3/8″
Tube outer diameter
3/8″
Compatibility
RO3 system, RO4 system, RO5 system, RO6 system, RO7 system, RO8 system, RO9 system, RO10 system

Brand: WODARO

Ships in 24h | 14-day returns
Price 29.98 zł
Reviews: 0

A4UE4-W angled connector elbow 1/4T x 1/4T

A4UE4-W elbow 2 x 1/4" for tubing for under-sink water treatment systems, including RO. The angled connector allows for the connection of two 1/4" hoses using the push-fit method: simply push the tubing in until it stops, without twisting and without Teflon tape. It helps to guide the hose close to the wall and aesthetically make bends.
Accessory type
Fitting
Tube outer diameter
1/4″
Compatibility
Universal RO systems

Brand: WODARO

Ships in 24h | 14-day returns
Price 3.50 zł
Reviews: 0

A4SE4-W angle connector elbow 1/4T x 1/4W

A4SE4-W is an angled connector (elbow) for water filtration installation: 1/4" plug thread x 1/4" for tubing . Equipped with a quick connector with a self-sealing mechanism - the hose is secured by pushing it in until it stops, without additional twisting. Used, among others, in under-sink systems and reverse osmosis.
Accessory type
Fitting
Tube outer diameter
1/4″
Compatibility
Universal RO systems

Ships in 24h | 14-day returns
Price 3.50 zł
Reviews: 0

FR3-350 flow restrictor

FR3-350 flow restrictor for reverse osmosis systems, installed on the wastewater outlet with quick connectors. It enforces the correct flow of rinse water through the membrane, which helps remove accumulated contaminants and supports its longevity. Recommended for replacement along with the membrane, especially in hard or contaminated water. Suitable for 75 GPD membranes.
Accessory type
Flow restrictor
Compatibility
Universal RO systems

Brand: TOP FILTER

Ships in 24h | 14-day returns
Price 14.99 zł
Reviews: 0

OSMOSE FILTER CONNECTION SET TEE VALVE

Set of connections for connecting an osmotic filter or another device powered by a 1/4" (6.4 mm) hose. The set includes three connections for water installation (3/8", 1/2", 3/4") and a 1/4" GZ valve with a screw fitting for a 1/4" hose. It facilitates the creation of an aesthetic and tight connection.
Accessory type
Water connection
Connection
3/8″
Tube outer diameter
1/4″
Compatibility
Universal RO systems

Brand: WODARO

Ships in 24h | 14-day returns
Price 45.00 zł
Reviews: 0

FR-550 flow restrictor

FR-550 restrictor (flow limiter) for reverse osmosis systems, mounted on the wastewater outlet. It enforces the proper water flow, which supports the flushing and cleaning of the osmotic membrane and helps to drain contaminants into the sewage system. Connection via quick couplings. When replacing the membrane, it is recommended to install a new restrictor.
Accessory type
Flow restrictor
Compatibility
Universal RO systems

Brand: TOP FILTER

Ships in 24h | 14-day returns
Price 14.99 zł
Reviews: 0

FR-300 flow restrictor

FR-300 restrictor (flow limiter) for reverse osmosis systems, mounted on the wastewater outlet with quick couplings. It enforces proper flow, which supports membrane flushing and the removal of contaminants to the sewage system. Recommended replacement every few years, especially with water containing high levels of sediments (e.g., calcium and iron). When replacing the membrane, it is advisable to install a new restrictor.
Accessory type
Flow restrictor
Compatibility
Universal RO systems

Brand: TOP FILTER

Ships in 24h | 14-day returns
Price 14.99 zł
Reviews: 0

3/8 Tee fitting for water RO filter supply connection

Tee with a power connection for connecting a water filter or reverse osmosis (RO) system. The 3/8" thread (Gz x Gw) allows for integration into the existing installation, while the 1/4" outlet is used to supply the filter. Operating temperature range 2-42°C.
Accessory type
Water connection
Connection
3/8″
Tube outer diameter
1/4″
Compatibility
Universal RO systems, Standard water installations

Brand: WODARO

Ships in 24h | 14-day returns
Price 9.15 zł
Reviews: 0

A4TU4-W tee connector 1/4T x 1/4T x 1/4T

A4TU4-W is a quick-connect tee 1/4T x 1/4T x 1/4T for connecting hoses in water treatment systems, including under-sink systems and reverse osmosis. Installation involves pushing the hose firmly into the fitting, without additional twisting and without Teflon tape. It allows for easy splitting or redirecting of the water flow, e.g., to a second draw-off point or to the refrigerator.
Accessory type
Fitting
Tube outer diameter
1/4″
Compatibility
Universal RO systems

Brand: WODARO

Ships in 24h | 14-day returns
Price 4.00 zł
Reviews: 0

1/2 inch tee fitting for the RO water filter supply connection

Connecting tee with a 1/2 inch thread for connecting a water filter or reverse osmosis (RO) system to the water installation. It has a Gz x Gw passage and a filter power outlet in size 1/4" (approx. 14 mm). Designed for operation at a temperature of 2-42 0°C.
Accessory type
Water connection
Connection
1/2″
Tube outer diameter
1/4″
Compatibility
Universal RO systems, Standard water installations

Brand: WODARO

Ships in 24h | 14-day returns
Price 9.15 zł
Reviews: 0

3/8'' CONNECTION OSMOSIS FILTER TEE VALVE 1/4''

Connection for connecting an osmotic filter or another device powered by a 1/4" (6.4 mm) hose. The tee allows for connection to a standard faucet on the wall above the sink or between the valve and the hose supplying the washing machine or dishwasher. The built-in 1/4" valve allows for easy shut-off of the water supply to the installation.
Accessory type
Water connection
Connection
3/8″
Tube outer diameter
1/4″
Compatibility
Universal RO systems

Brand: WODARO

Ships in 24h | 14-day returns
Price 21.00 zł
Reviews: 0

3/4'' CONNECTION OSMOSIS FILTER TEE VALVE 1/4''

3/4'' connector for osmosis filters in the form of a tee with a valve for a 1/4'' (6.4 mm) hose. It allows for convenient branching of the installation: simultaneous supply to a washing machine or dishwasher and connection of an osmosis filter or refrigerator. Standard 3/4'' threads (male x female) facilitate fitting to typical household connections.
Accessory type
Water connection
Connection
3/4″
Tube outer diameter
1/4″
Compatibility
Universal RO systems

Brand: WODARO

Ships in 24h | 14-day returns
Price 21.00 zł
Reviews: 0

1/2'' CONNECTION OSMOSIS FILTER TEE VALVE 1/4''

Connection for connecting an osmotic filter or another device powered by a 1/4" (6.4 mm) hose. The fitting in the form of a tee with a valve for the 1/4" hose allows you to connect between the valve and the supply hose to the faucet in the sink or another location with a 1/2" thread.
Accessory type
Water connection
Connection
1/2″
Tube outer diameter
1/4″
Compatibility
Universal RO systems

Brand: WODARO

Ships in 24h | 14-day returns
Price 20.50 zł
Reviews: 0

A4TR4-W tee connector 1/4T x 1/4W x 1/4T

A4TR4-W quick connector tee 1/4T x 1/4W x 1/4T for installing 1/4" (6.4 mm) hoses in water treatment systems, including under sinks and in reverse osmosis. Two quick connector ports allow for quick hose attachment without twisting and without Teflon tape, while the third is a 1/4" plug. Ideal for splitting treated water to two extraction points.
Accessory type
Fitting
Tube outer diameter
1/4″
Compatibility
Universal RO systems

Brand: WODARO

Ships in 24h | 14-day returns
Price 4.00 zł