ShockWave® Cal-Hypo Pool Shock 50 lb, Fast-Acting Chlorine Sanitizer | 25241 Hayward AstroLite Lights Fits existing Style 2 collars

Fits existing Style 2 collars for seamless replacement—no valve change required

Prevents damage from dirt

Compatible Voltage: Operates efficiently at 120V with a 60Hz frequency

Seamless Upgrade: Converts legacy EOS™

ShockWave® Cal-Hypo Pool Shock 50 lb, Fast-Acting Chlorine Sanitizer | 25241 Hayward AstroLite Lights Fits existing Style 2 collarsShockWave Cal Hypo Pool Shock 50 lb, Fast Acting Chlorine Sanitizer 25241 ShockWave 50 lb Cal Hypo shockfast dissolving, powerful sanitizer. Controls algae and bacteria for clean, clear pool water. Key Features High strength 68% calcium hypochlorite formula Fast dissolving granules for immediate sanitizing power Eliminates bacteria, algae, and organic contaminants Will not add cyanuric acid to the pool Suitable for most pool surfaces Economical 50 lb