Should I keep this on 24/7? I cant really find a definitive answer.

Sure you can. Ive have mine for little over half a year and i've left mine on 24/7, only turning it off for water changes at things like that. These are made to run a very long time continuously. Hope this helps!

What exactly does the check valve do? And, is it strong enough to push air through a 12 light changing air filter?

Check valve uses to protect your air pump by preventing aquarium water from back siphoning during a power outage. This pump is not strong enough for your need. you could try this one ASIN: B072F2NTCY. Thank you.

does this unit vibrate? and how physically large is it? Thanks

The unit does vibrate but it has feet to keep it from being loud. It's about the size of the palm of your hand. I have mine sitting on top of my filter and it fits perfectly.

Can you adjust the air flow. I feel its too strong for my mini bow 5 gal tank with single betta?

No air flow adjustment, but the stone is small.

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Pawfly Aquarium 15-40 GPH Compact Air Pump Quiet Oxygen Aerator Pump with Air Stone/Nano Bio Sponge Filter Airline Tubing and Check Valve Accessories for 3-20 Gallon Buckets and Fish Tanks

Product ID: 44115974

Details

Brand
Pawfly
Color
Blue
Item Weight
9.52 ounces
Material
Plastic
Product Dimensions
3.3"L x 1.8"W

💨30 GPH max airflow

🔇<45 dB ultra-quiet

🪶Compact 3.3x1.8x1.6 in

2621 kr

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Sold byAmazon IcelandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🐠 Elevate your aquarium game with silent, powerful oxygen flow!

DURABLE RELIABLE - Built with shockproof feet and quality diaphragms to ensure long-lasting, consistent aeration.
SPACE SMART DESIGN - Ultra-compact and lightweight, perfect for desks, shelves, or tight aquarium setups.
COMPLETE STARTER KIT - Includes air stone, 5-foot airline tubing, and check valve for hassle-free installation and maintenance.
POWERFUL OXYGEN BOOST - Delivers a steady 30 gallons per hour airflow to keep your fish energized and thriving.
WHISPER QUIET OPERATION - Enjoy peaceful aquatic vibes with noise levels quieter than a refrigerator hum (<45 dB).

The Pawfly Aquarium Air Pump is a compact, energy-efficient aerator designed for 3-20 gallon tanks. It delivers up to 30 GPH airflow at a whisper-quiet noise level under 45 dB, ensuring optimal oxygenation without disturbing your space. Equipped with an air stone, airline tubing, and check valve, it offers a complete, easy-to-install solution for maintaining vibrant aquatic life.

Specifications

ASIN	B073DWVX5P
ASIN	B073DWVX5P
Air Flow Capacity	0.67 gpm
Batteries	A batteries required.
Best Sellers Rank	#5,242 in Pet Supplies ( See Top 100 in Pet Supplies ) #7 in Aquarium Air Pumps
Brand Name	Pawfly
Color	Blue
Customer Reviews	4.4 4.4 out of 5 stars (7,939)
Date First Available	June 27, 2017
Hose Length	5 feet
Item Dimensions L x W x H	3.3"L x 1.8"W x 1.6"H
Item Type Name	Aquarium Air Pump
Item Weight	9.52 ounces
Item model number	UL224-FBA
Manufacturer	Pawfly
Manufacturer	Pawfly
Manufacturer Part Number	UL224-FBA
Material Type	Plastic
Maximum Pressure	12000 pascal
Model Number	UL224-FBA
Operation Mode	Manual
Power Source	Corded Electric
Product Dimensions	3.3 x 1.8 x 1.6 inches; 9.52 ounces
UPC	652811964516
Unit Count	1 count

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2621 kr

Duties & taxes included

In stock

Sold byAmazon IcelandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Iceland.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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