AquaMiracle Aquarium Filter Replacement Sponge, Fish Tank Filter Replacement Parts 3-Stage Filter Sponge hollandandbarrett Color/Finish: -Color-coded in proprietary Thera-Band

Color/Finish: -Color-coded in proprietary Thera-Band colors increasing in difficulty

Retro classic circle design logo

Refill strips include EZ-strip peel-off backing for easy application and removal

Pain relief and healing are supported through balanced warmth and medical compressionNeoprene-free performance material provides comfort and good breathabilitySilicone dot lining helps provides a secure fitLatex-freeUniversal sizingCan be worn on the left or right elbow Read more COOLMAX AIR Technology EXCEPTIONAL BREATHABILITY | Neoprene-Free and made with COOLMAX AIR Technology WARMTH AND COMPRESSION Pain relief and healing supported through balanced warmth and medical compression

They don’t come with any sort of instruction or measuring tape

AquaMiracle Aquarium Filter Replacement Sponge, Fish Tank Filter Replacement Parts 3-Stage Filter Sponge hollandandbarrett Color/Finish: -Color-coded in proprietary Thera-BandAquaMiracle Aquarium Filter Replacement Sponge, Fish Tank Filter Replacement Parts Product Information COARSE SPONGE Filters out large size impurities such as food residue, fish excrements, plant leaves, etc. Recommend to replace once every 2 months. CARBONIZED SPONGE Removes odor, chlorine and fine particles. Recommend to replace once every month. FINE SPONGE Polishes water before it goes back to the tank. Recommend to replace once every 2 months.