Lifeguard on Duty Write-on Sign - 10 x 12 Inches on Styrene Plastic state_Kansas The Hammerhead replacement vacuum head

The Hammerhead replacement vacuum head HH1310-60 features a 21 inch vacuum head

Extensive laboratory and field tests have shown it to be very accurate and reliable

The battery is irremovable and completely sealed and waterproof

The lettering is 4 inches and 1

It is recommended that an in-line filter system be used before the flow cell

Lifeguard on Duty Write-on Sign - 10 x 12 Inches on Styrene Plastic state_Kansas The Hammerhead replacement vacuum headThis Lifeguard On Duty Write On Sign measures 10 x 12 inches, is printed on . 040 mil Styrene Plastic and is designed to inform patrons that there is lifeguard on duty. These signs have a dry erasable surface for changeable messages including the Lifeguard's name. Our general information signs are very noticeable and used to inform people of facility restrictions, policy, object location or instruction. This sign is lightweight, durable, and