Netafim Replacement Disc Filter Rings for 3/4 Inch Filter, 120 Mesh (DFR075120) Filter Mesh Rating:80 Mesh 163 B2) automatically shuts power

163 B2) automatically shuts power off to the heater in an abnormal event and must be manually reset for safety

surface area and nutrient distribution are in the excellent range and very consistent

magnesium sulfate and potassium sulfate

Enhance cation-exchange capacities

Zero-hour Re-entry Interval (R

Netafim Replacement Disc Filter Rings for 3/4 Inch Filter, 120 Mesh (DFR075120) Filter Mesh Rating:80 Mesh 163 B2) automatically shuts powerReplacement Filter Discs for Netafim Manual Disc Filters Your discs will need to be replaced eventually. Stock up on replacement discs for your manual disc filters now. Available Sizes: 3 4 Inch 1 Inch &amp 1. 5 Inch 1. 5 Inch Long *2 Inch Dual Lite & Dual HP *3 4 1. 5 have 40 mesh, 80 mesh, 120, mesh, and 140 mesh. The 2 inch filter also has the 200 mesh option. The 1 Inch and 1. 5 Inch come with the spine. The 3 4 Inch and 2 Inch do not come with