Product Description :
Hydor Professional External Canister Filter Media, Sintered Quartz Rings, Bio-Media
Product Details :
- Manufacturer : Hydor
- Item model number : D02400
- Product Dimensions : 10.16 x 5.08 x 15.24 cm; 453.59 Grams
- ASIN : B00E4C2HRY
Product Features :
- Quantity: 450 g
- These rings are the perfect media for the development and growth
- These Bio Rings are safe and do not release harmful materials