BIOS Indoor Hygrometer with Bios Confort Scale Grotek Maintaining an opening in the

Maintaining an opening in the surface of the ice is paramount for pond winterization and the safety of pond fish

A complete solution for supplying water to run fountains

It has green foliage throughout the season

heavy-duty high impact tray

BIOS Indoor Hygrometer with Bios Confort Scale Grotek Maintaining an opening in theDual display of indoor temperature and relative humidity. Indicates ideal indoor personal and home health conditions. Coloured Comfort Scale indicates different levels of comfort: Too Dry, Comfort Zone, Too Wet Records maximum and minimum temperature and humidity Temperature Range: 58 to 158F ( 50 to 70C) F C switchable Humidity Range: 20 to 90% RH Operates on a single 1. 5V "AA" battery