Aqua One - Genuine Parts 37W Fine Wool Pad 2 Pack First Defense contains a mixture

First Defense contains a mixture of vitamins and immunostimulants that work together to help fish and other aquatic organisms adapt and cope when introduced to new environments and stress that can occur with poor water quality conditions

And for dogs that are reactive around other dogs

Bite-defying self-healing properties repair toothmarks for long-lasting

Ideal for all coats and skin types

Crafted from high-quality reflective climbing rope for durability and visibility

Aqua One - Genuine Parts 37W Fine Wool Pad 2 Pack First Defense contains a mixtureAqua One Genuine Parts Fine Wool Filter Pad 2 Pack Suitable For 500 700 Aquis Canister Filter