Danger Spa Closed Sign (Strong Chemicals) - 12 x 18 Inches on Heavy-Duty Aluminum valve-type_Ball For applications where flow stops

For applications where flow stops and starts due to production needs

193 capacity requirements

This is a Schedule 80 One-Piece Flange with a 1 inch threaded female connection

It is not recommended for vinyl surfaces (use Vinyl Eraser)

Active Ingredient of the Pool Grade Alkalinity Increaser: 100% Sodium Bicarbonate

Danger Spa Closed Sign (Strong Chemicals) - 12 x 18 Inches on Heavy-Duty Aluminum valve-type_Ball For applications where flow stopsThis Danger Spa Closed Strong Chemicals In Use aluminum sign measures 12 x 18 inches, is printed on heavy duty aluminum material, and is designed to inform patrons that the spa is closed when strong chemicals are in use in the pool. Our Danger signs indicate an imminently hazardous situation. This sign is lightweight, durable, and waterproof for indoor or outdoor use. This swimming pool and facility pool sign is designed for harsh swimming pool and