Solinst Model 3250 LevelVent 5 - 5 to 20 Meters Depth Hex Nipples Air leakage into discharge is

Air leakage into discharge is prevented by having no penetrations through the center discharge tube

The continuous flow rate is very simple to adjust using the 12V Pump Controller's single dial

1045 Steel Shaft (through 326T)

PRM #1 SIZE LIQUID FILTER BAGS - POLYESTER FELT WITH 304 STAINLESS STEEL RINGS - 100 MICRON

Solinst Model 3250 LevelVent 5 - 5 to 20 Meters Depth Hex Nipples Air leakage into discharge isSolinst Model 3250 LevelVent 5 The LevelVent 5 is designed to provide instantly accurate water level data, without the need for barometric compensation. If you need true water level data right on site, without running any data compensation routines, the LevelVent 5 is the right choice for your water level monitoring application. Features: Vented version of the popular Levelogger Accurate (0. 05%FS) water level data 10 year battery based on 1 reading