2.4 M - Adhesive Depth Marker - 10 Inch x 6 Inch with 4 Inch Lettering BTUs_150k-199k this algae brush has a

this algae brush has a metal back and will withstand the most rigorous service schedule

Inline thermometer for solar applications

And extensions are available to increase tablet or stick capacity

Nautilus NS60 and Nautilus Plus NSP60 filters

2.4 M - Adhesive Depth Marker - 10 Inch x 6 Inch with 4 Inch Lettering BTUs_150k-199k this algae brush has aThis pool depth marker states 2. 4 M and is printed with 4 Inch letters and has an overall size of 10 x 6 inches. The Deck and Coping Vinyl Depth Markers are skid resistant and designed for above the water line and deck placement around your pools and decks. Numbers, letters, and images are available in 4 inch lettering to meet National and State Codes. The vinyl stick on Depth Markers eliminate messy stenciling. They are made of a durable commercial