Get 3% Cashback on all orders!
Out of Stock
Product Description
Get hassle-free returns within 14 days
Save 20% on your first order with code Pet20
White intensive bio-filter rings for biological water clarifying. Suitable for freshwater & marine aquaria. Providing more effective surface for bacteria which breakdown pollutants.
Product Features:
- High-quality sintered glass rings for intensive biological water clarifying.
- Internal hole diameter only 5 mm, resulting in thicker wall depth and providing more effective surface for bacteria which breakdown pollutants.
- 1 liter has 1200 sqm effective surface, 5 times as much as conventional clay tubes.