How do you fit this to a fire extinguisher

remove extinguisher horn with a spanner. fit regulator to coupling you have just removed the horn from, make sure to use supplied washer, tighten with spanner.

what connection is this cga320 or w21.8 and is it a uk plug as the listing and photos are conflicting with the advert?

Sorry, it should be W21.8 cylinder.We will update the information ASAP. And the W21.8 cylinder is suitable for EU plug.

Hi, i’ve just received this item. it works exactly the same if the solonoid is plugged in or not. is it defective or am i missing something? cheers

Mine is exactly the same. Can the seller please supply valve strip and clean instructions?

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FZONE Aquarium CO2 Regulator for W21.8 Side Open CO2 Cylinder

Product ID: 237798699

Details

Brand
FZONE
Item form
Gas
Item weight
0.9 Grams
Number of Packs
1
Unit count
1.00 count

🔧Dual 1.6-inch gauges

⏱️1 bubble/3 sec precision

🛠️All tools included

S$120

Duties & taxes included

In stock

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Description

🌿 Elevate your aquarium game with precision CO2 control — because your plants deserve the best!

NEXT GEN SAFETY - Upgraded 12V DC solenoid ensures safer, more stable operation than traditional AC models.
PLUG PLAY SETUP - Includes bubble counter with check valve and all installation tools for effortless DIY assembly.
DUAL GAUGE CLARITY - Large 1.6-inch dual gauges give you instant, crystal-clear readings of cylinder pressure and working pressure.
PRECISION PERFECTED - Fine-tune CO2 flow to a flawless 1 bubble every 3 seconds for optimal plant growth.
LEAK PROOF CONFIDENCE - Enhanced sealing materials prevent leaks, keeping your aquarium environment pristine and worry-free.

The FZONE Aquarium CO2 Regulator features dual 1.6-inch gauges for easy pressure monitoring, a high-precision fine-tuning mechanism delivering 1 bubble every 3 seconds, and an upgraded 12V DC solenoid for enhanced safety and stability. Made from durable aluminum alloy with leak-proof sealing, it includes a bubble counter with check valve and all necessary installation tools, making it the ideal DIY CO2 system for thriving aquatic plants.

Specifications

Asin	B07QFT69P8
Best Sellers Rank	34,181 in Sports & Outdoors (See Top 100 in Sports & Outdoors) 10 in CO2 Systems
Brand Name	FZONE
Country Of Origin	China
Customer Reviews	4.1 4.1 out of 5 stars (1,284) 4.1 out of 5 stars
Included Components	1 x Double Mini Display Valve Body, 1 x 110V US Standard Solenoid Valve on the Valve Body, 1 x Fine Tuning Valve on Valve Body, 1 x Bubble Counter with Check Valve Function, 1 x Installation Tool
Item Form	Gas
Item Weight	0.9 Grams
Manufacturer	FZONE
Manufacturer Part Number	FZ-0100
Model Number	748323719468
Number Of Items	1
Number Of Packs	1
Pet Type	Fish
Target Species	Fish
Unit Count	1.00 count
Upc	748323719468

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