Ziss ZAD-15 is a high quality, self-sinking and cleanable plastic air diffuser that produces strong bubbles to aerate your aquarium water
This product also comes with three spare felt pads

Further product details are on my website natsfish.com

Nat's Fish is a registered small business of over 30 years

If you have any questions please feel free to ask on the website. Pickup is available and I am available inside and outside business hours for my expert advice as a qualified aquatic scientist

Thank you for supporting my Australian small business

Nat from natsfish.com :)