#8 - Adhesive Depth Marker - 6 Inch x 6 Inch with 4 Inch Lettering size-in-gallons_1001+ Should one of the secondary

Should one of the secondary chlorinating cells become non-operational

drill hole in pool wall 7/8 inch in diameter by 1-1/2 inches deep

Class F insulation and 300 Series stainless steel shaft extension

If you require the 1080 mm configuration

#8 - Adhesive Depth Marker - 6 Inch x 6 Inch with 4 Inch Lettering size-in-gallons_1001+ Should one of the secondaryThis pool depth marker states 8 and is printed with 4 Inch letters and has an overall size of 6 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 grade