Power Heat De-Icer PT1642 Power Clear Max UV's (The difference between the PT1653

(The difference between the PT1653 and PT1651 is the packaging

Filtered water is forced up the center tube

The pond netting comes complete with stakes to secure it in place

Easily concealed

keeping your pond clear and your fish healthy

Power Heat De-Icer PT1642 Power Clear Max UV's (The difference between the PT1653The Laguna PowerHeat 315 watt De Icer keeps and maintains a thawed, open area at the pond surface, allowing toxic gases from fish respiration and decomposing organic matter to escape. The thawed area also allows oxygen to re enter the pond. Safe for plastic and liner ponds, the De Icer will not harm fish or plants. The unit includes a highly visible LED pilot light that indicates when it's on, a 15 watt heating element that melts snowfall on contact