You are bidding on a vintage Sears 8 inch automatic aquarium heater.  It was issued in the 1980s and is model 71 64365.

It is NEW in the original box, and was only removed to test and take the picture.  I plugged it in and it lit up.

The outer box has light shelf wear and light discoloration on one end from the original price tag.

BE SURE TO CHECK OUT MY OTHER ITEMS CURRENTLY LISTED AND SAVE ON SHIPPING BY HAVING THEM SHIPPED TOGETHER!

Thanks for looking!