Acu-Trol ORP Red Sensor with BNC to Wire - 10 Foot Cable sign-type_Plastic but includes 1/4-20 UNC ground

but includes 1/4-20 UNC ground screw

Then the disk is used up and a new disk is needed to continue testing

Use our Safety Walk Edge Sealer to seal edges of 3M depth markers for longer lasting wear

all you need to tension or release the lane line is a few twists of the wrist

and Sta-Rite System:3 SS-Series Sand Filter Model S8S70

Acu-Trol ORP Red Sensor with BNC to Wire - 10 Foot Cable sign-type_Plastic but includes 1/4-20 UNC groundThis Acu Trol ORP Sensor includes BNC to wire with a 10 foot cable and is used on the Acu Trol AK110, AK2100, AK600 and Control O Matic PoolWarden Controllers. They have a removable bulb guard, red housing ring, and include a rubber o ring replacement. The Acu Trol industrial ORP sensors from Pentair Pool Products are a brand you can trust.