How often should I change the filters

it has a cosy fleece lining to insulate your dog from the cold

Can I use this system for multiple dogs

Crude Fibre: 0

The carefully balanced and gentle recipe includes omega-3 oils and high quality proteins to satisfy the nutritional demands of your dog

Aquael Ultramax 1000 External Filter dog coats How often should I changeULTRAMAX is a technologically advanced canister filter whose design is based on patented solutions that guarantee exceptional comfort of use, perfect water clarity, and optimum water parameters even in the most demanding aquariums. Innovative, technologically advanced canister filters employing patented solutions. They are extraordinarily user friendly and can be used in virtually any tank to purify water and maintain the required water parameters.