20mm 30mm 40mm 50mm Round Bubble Ball Stone for Pond or Aquarium Fish Tank Pump

Products Description:

Diameter：20mm 30mm 40mm 50mm

The inlet with a diameter of about 20 and 30 mm has an outer diameter of 4 mm, and can be connected to a 3/5 silicone water pipe
The inlet with a diameter of about 40 and 50 mm has an outer diameter of 5 mm, and can be connected to 4/6 silicone water pipes

Instructions for use
1. Please use the gas pipe (need to buy separately) to connect the bubble stone, and the other end of the gas pipe to connect the air pump (need to buy separately).
2. Soak this product in water for 15 minutes before use.
3. Long-term use, such as dirt blockage, when the bubbles are reduced, can be taken out for cleaning and repeated use

Features: made of silicon carbide high temperature sintering, the material is strong and durable, can be repeatedly cleaned, long-term use

-100% Brand New And High Quality

-Absolute guarantee of high quality and inexpensive!

Package include: As You Choose