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Type 1&2
TR21-4 Thread CO2 Cylinder Adapter Converter to W21.8 Aquarium Fish Tank CO2 Regulators
Introductions:
This is ideal unit that attach a soda cylinder to your existing Aquarium Fish CO2 tank regulator or homebrew beer keg regulator.
Features:
Converts TR21-4 thread to CGA320 (US, CA) and DIN477 / JIS m22-14 / BS 341 No. 8 / W21.8-14 / .860" x 1/14 (covers UK, Europe and Asia).
Fits about 10 years old style of Soda cylinder with thread T21 *4 or 6ACME-6G.
Robust design and manufacture - will last a lifetime.
Makes portability of homebrew easy.
Great for events so you don't have to haul around a larger tank because of the small size of CO2 tanks, this is not recommended for carbonating, but great for dispensing.
Easy installation
Specifications:
Material: Aluminum
Innter thread: TR21-4 thread
Outer thread: CGA320 OR W21.8
Please note: it can not work on AU and NZ soda stream bottle
Package Includes:
1 x Adapter Converter
Type 3
CO2 Regulator Adapter for Aquarium Fish Tank to Co2 Tank Adapter Convert Male G1/2 to Female TR21-4
Specification:
Condition: 100% Brand New
Color: Black
Type: Female TR21-4 Thread to Male Thread G1/2
Please note: it can not work on AU and NZ soda stream bottle
Package Included:
1 * Aquarium Connector Adapter
1 * Gasket
Installation and operation guide
Open up the regulator a bit to reduce the pressure on the adapter when tightening. Then close regulator quickly once bottle is full fastened.
Open the beer valve a little bit first, and then twist the soda machine bottle to the joint, so that there is less air leakage.
Type 4
Description:
Made from aluminum alloy
Male Thread: 5/8-18UNF thread
Female thread: TR 21* 4
SODA TR21*4 type work for US and Europe soda machine Bottle
Package Contents:
1 x adapter
Please note: it can not work for AU and NZ soda stream bottle
Type 5
Co2 Adapter to 3/8UNF-24 for Mini Regulator Homebrew Beer Corny Keg
Type 6
Female pintball tank G1/2-14 to male 3/8"-24UNF
covert standard G1/2-14 Co2 tank to male 3/8"-24unf
Warning:
Co2 can cause injury (suffocation & asphyxiation) or death, ventilate the area before entering.
Co2 is stored at very high pressure and a liquid co2 is at cryogenic temperatures which can cause injury, burn, explosion, or death.
Co2 should be handled by a trained professional and extreme caution should be taken when dealing with co2.
For safety always wear protective gear.
Type 7
Female W21.8/DIN477 to male 3/8"-24UNF
Type 8
CGA320 threads to 3/8UNF-24 outlet that fit CO2 mini regulator and Perfect for the Home Brewer or Craft beer enthusiast.
Fits soda machine cylinder with thread CGA320(Australia,New Zealand),also it can use on big standard commercail Co2 homebrew tank (USA, CAN, Brazil, Colombia, Philippines...)
Type 9
- Use CGA320 tank for your CO2 source.Use your existing CO2 regulator without any modification.
- Converts CGA320 Thread or Australia and New Zealand soda machine CO2 cylinder to Type 30 / DIN 477 / JIS M22-14 / BS 341 No. 8 / W21.8-14 / .860" x 1/14(covers UK, Europe and Asia).
- Adjustable valve pin ensures compatibility with any cylinder valve variation.
- Material: aluminum
- Innter thread: CGA320 (G1/2-14), Outer thread: W21.8-14
- The inner pin can be removed if you don't use it on SodaStream cylinder
Type 10
Large CO2 Tank RPV Residual Pressure Valve Pushing Pin Adaptor for Charging Open
Features:
1. Made of high quality brass material, durable and long lasting.
2. It allows you to attach a commerical CO2 tank to opne the RPV valve
3. Stable, quiet and no noise.
4. Easy to install.
5.Can be used with large co2 tanks with W21.8-14(right hand) Connector (KOR, JP, UK, Germany, France, Poland, Norway, Switzerland, Russia, Ukraine, South Africa, Sweden, Chile, Czech Republic, Singapore...)
Specification:
Condition: 100% Brand New
Material: brass
Color: as pictures shown
Package list:
1 x adapter
2 x seal rings
NOTE:
This model Adapter can work for the big bottle with RPV valve. most bottle in Europe with RPV valve.
The residual pressure valves are also referred to as “RPV-valves” (Residual Pressure Valve).
RPV valves are used to prevent the penetration of dirt into the cylinder.
Type 11
Female CGA320(G1/2) to Male 0.825"-14NGO
Type 12
The Adapter CO2 regulator to G1/2-14 Tank Adapter
![](https://i.ebayimg.com/images/g/hR4AAOSw1NxjLmsX/s-l1600.jpg)
Type 13
5pcs Soda Cylinder Co2 Adapter Washer O ring Gasket for Homebrew Aquarium
Product description:
5pcs O-rings for SodaStream Co2 Adapter to Homebrew /Aquarium
Specifications:
Type:Co2 Adapter Washer
Material:Silicone
Color: as the picture show
Package Include:
5 × Washers
NOTE:
Color Demonstration - Due to the difference between each screen, the color differences have to be existed slightly.
Size - Establish on the basis of real actual measurement, can be slightly size difference error because of the difference of measurement standard of Countries
Type 14
G1/2 to 5/8-18UNF adapter
Type 15
CGA320 to W21.8 regulator convert adapter
Feature: Eco-Friendly
Material: Metal Brass
Type: Bar Accessories
Bar Accessories Type: Beer Keg