Integra Boost 51MM ROUND 55% PACKS - NO OVER WRAP OR HIC CARDS INCLUDED. - 3500 Total Qty. Zenport Industries 1x ¼" filter

1x ¼" filter

Materials: Constructed from stainless steel and food-grade silicone

Keeps irrigation system cleaner and running efficiently and longer

Which ever substrate you decide to use

wetting agents

Integra Boost 51MM ROUND 55% PACKS - NO OVER WRAP OR HIC CARDS INCLUDED. - 3500 Total Qty. Zenport Industries 1x ¼" filterIntegra Boost 51mm 55% Round Humidity Packs, 3,500 Count A 51 mm round disc at 55% RH, the larger of the two round formats and sized for wider jar lids and tubes. Against the 37 mm the difference is closure diameter and nothing else. Same fill, same setpoint, same bulk configuration. The 51 mm lies flat across a lid the 37 mm would leave gaps around. The 37 mm suits closures the 51 would not seat in at all. Two way control releases or absorbs moisture