Acurel F Keeps Aquarium Water Crystal Clear, 1500 mL (6 x 250 mL) Dog Water Safety Jackets traction tread allows for better

traction tread allows for better traction on most surfaces

two receiver collars

2 Flexible Strap Locks

The tiny hole is on the outer layer on the top of the raft as seen in the image on this page

or being moved by pets

Acurel F Keeps Aquarium Water Crystal Clear, 1500 mL (6 x 250 mL) Dog Water Safety Jackets traction tread allows for betterAcurel F Aquarium Clarifier clears cloudy, polluted water within hours. By removing suspended particles that make your water dirty, it not only gives aquarium water that "just polished" look, it also greatly improves filter efficiency. Clears cloudy and polluted water within hours Greatly improves filter efficiency Safe for all cichlids, freshwater fish and plants Acurel F is made with organic extracts from renewable natural resources, and is safe for