What size airline ? The one suggested by amazon is too small .

This air stone matches two size air tubes, 3/16 " and 3/8". Wet the airline with water. It might be easier to install.

How many leters per min?

You’re better off with the pawfly 8” cylinder. These deteriorate extremely fast as if the material they used is insufficient.

Yes they do sink. Also check out pawfly 8” cylinders. I tried the synthetic pawfly black 8” and I think its cheaply made so I’ll be sticking with the original blue 8” pawfly airstone cylinders.

Alegi Air Stone Cylinder Bubbler 5 3 Inch 2 Pack

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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Description

💧 Elevate your aquarium’s vibe with bubbles that breathe life!

DUAL PACK CONVENIENCE - Two premium air stones included—double the aeration, double the impact.
DURABILITY MEETS DESIGN - Robust shell guards the air stone from damage, ensuring long-lasting performance.
EFFORTLESS OXYGEN BOOST - Enhance aquatic life with consistent, fine bubbles that promote healthier fish and plants.
EASY MAINTENANCE ROUTINE - Simple soak and brush cleaning keeps your system running smoothly and clog-free.
UNIVERSAL TUBING COMPATIBILITY - Fits both 3/16” and 3/8” inner diameter tubing for seamless integration into your setup.

The Alegi Air Stone Cylinder Bubbler is a 5.3-inch mineral stone device designed to improve oxygenation in aquariums, fish tanks, and hydroponic systems. Compatible with 3/16” and 3/8” tubing and requiring a minimum 4W air pump, it features a durable protective shell and comes in a convenient 2-pack for enhanced aquatic health and aesthetic appeal.

Specifications

ASIN	B083NFTMBC
Best Sellers Rank	#48,635 in Pet Supplies ( See Top 100 in Pet Supplies ) #372 in Air Pump Accessories
Included Components	2 x Aquarium bubble stones
Item Weight	340 g
Manufacturer	Alegi
Net Quantity	2.0 Count
Package Dimensions	18.39 x 9.6 x 4.19 cm; 340 g

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S$55

Duties & taxes included

In stock

Sold byAmazon SINGAPOREDelivered 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 SINGAPORE.

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TrustScore 4.5 | 7,300+ reviews

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Received my product in pristine condition. Great service overall.

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ALEGI Air Stone Cylinder Bubbler, 5.3 inch, 2 Pack

Description

Specifications

Common Questions