Xtreme Gardening All Purpose Feeder Paks 12-10-10 -- 500 Ct. Phat Filters Self-Flushing System: The continuous self-flushing

Self-Flushing System: The continuous self-flushing feature enhances the dripper's resistance to clogging

Ebb & Flow systems can add CONCENTRATE at a rate of 2ml per reservoir gallon

Optimal Flow Range: This 3/4 inch filter operates efficiently with a flow range of 1 - 12 GPM

and the whole unit is UL listed

Running Grand Daddy Pads in a Larger Room

Xtreme Gardening All Purpose Feeder Paks 12-10-10 -- 500 Ct. Phat Filters Self-Flushing System: The continuous self-flushingAll purpose 10 gram feeder packets. Use for flowers, bulbs and vegetables. Applied to the root zone, one packet supplies slow released nutrients for an entire season. One bag has 20, 50 or 500 count of 10 gram feeder packets.