YSI Economy Oxygen Meter with Optional Probes Item:Probe Only, 12' Cable — NO METER The Sequence® Power 4000 Series

The Sequence® Power 4000 Series is a high-performance external pump that has an expansive design that can achieve more than 11000gph at high head pressures

Advantages over Lava Rock

Rugged motor and corrosion-resistant stainless housing for long life

self-cleaning filters that boast not only mechanical and biological filtration but also automatic

6 36lb 3400HCFM050 / 3400HCDM050 3/4 HP 50' 208-240 1 3

YSI Economy Oxygen Meter with Optional Probes Item:Probe Only, 12' Cable — NO METER The Sequence® Power 4000 SeriesSPECIAL ORDER ONLY The D200 Economy Oxygen Meter from YSI Meters is designed for quick, accurate oxygen and temperature readings! This handheld, easy to use meter features a watertight IP67 housing, so there's no need to worry about the meter getting wet. Automatic temperature compensation Manual salinity compensation Low battery indicator with 500 hour battery life Screw on cap membranes with low stirring, fast response probe