Misc. QED Bladder Pump Supplies Accessory:O-Ring Kit Both versions are ideal for

Both versions are ideal for use with Solinst Bladder Pumps and Double Valve Pumps (see Model 407 Bladder Pump

LN3: Meters and centimeters: with markings every mm

114458          105 Well Casing & Depth Indicator PWCD/LM3/1650ft

Water level and probe depth measurements are read off the Solinst durable laser marked flat tape

Misc. QED Bladder Pump Supplies Accessory:O-Ring Kit Both versions are ideal forRoving Air Fitting Connects to blue hose from bladder pump controller on one side and airline tubing pushes in to other end Check Balls Stainless steel for 1. 75" pump (Pack of 5) Teflon for 0. 75" pump. Pack of 10 with Ball Stop O Ring Kits (10) complete sets of O Rings Inlet Screens Pack of 10