Steel Meter Diving Stand Fulcrum Kit filter-length_14 1/8 inches This is a reliable yet

This is a reliable yet simple programmable controller that features automatic maintenance of water chemistry (ORP and pH) with a display of the Langelier Saturation Index

adjustable stainless steel collar band with eyebolt and control knob can be used to allow for adjustable line heights

The tread measures 18

Feed control is either ON/OFF or Proportional

This Indiana Warning No Lifeguard On Duty (14 Years And Under) aluminum sign measures 24 x 30 inches

Steel Meter Diving Stand Fulcrum Kit filter-length_14 1/8 inches This is a reliable yetThis is an S. R. Smith Steel Meter Diving Stand Fulcrum Kit which includes the steel meter fulcrum pad, 20 inch rubber mounting pad, and 18 inch meter fulcrum plate (items 14 16 on schematic). The distance between bolt holes is 12 inches on center.