Resinator OG Drum Screen Size:75 Micron Included is an alarm relay

Included is an alarm relay

The Bluelab Conductivity Pen simply tells you that your plants have the right amount of nutrient in your solution and lets you know if adjustments are needed

Plant-safe green backlit LCD with adjustable brightness and large

This instrument is a low cost and easy to use Meter with a replaceable electrode

Resinator OG Drum Screen Size:75 Micron Included is an alarm relayResinator OG Drum Screen FEATURES: Removable Washable screens available in 4 different fabric densities*: 1 4", 200, 100, or 75 microns. Only the highest quality Monofilament screens & materials selected Guaranteed micron accuracy Triple stitched with nylon bonded thread Removable Washable screens are easy to load, clean & reload Hands free, hang and spray functionality Highest quality YKK zippers availableSift and extract your material to the perfect