This is a Colorimetric Series Accuracy Check Kit for device performance verification
With the plastic backed paper liners
This is a Generic Fiber Slip Washer Gasket G-378 replacement with dimensions for Hayward SP1025 Hydrotherapy return inlets
Avoid more than 20% of extension straps on a cover
It measures 4 x 8 inches and is for Vertical Venting Negative Pressure
Pool Rules Style B Sign in Spanish - 30 x 24 Inches on Styrene Plastic YGroup_standard-mesh This is a Colorimetric SeriesPool Rules Style B, in Spanish. The lettering height on this sign meets specific state code. This sign is guaranteed to meet the state laws of Alabama, Louisiana, Maryland, Mississippi, New Mexico, North Dakota, Pennsylvania, Tennessee, Texas, Vermont and Virginia. Our compliance signs are thoroughly researched twice yearly and updated as needed. We guarantee our rules and regulations signs to meet specific state swimming pool codes within ninety days