20" Commercial Filter Pack Upgrade to Catalytic Carbon ::20" Carbon Block [ 2 x 5 Micron ] All pH meters should be

All pH meters should be calibrated anywhere from before every use to at least once a month

77" X Length: 11

✔ 1 x Allen wrench for adjustable flow restrictor

Hurricane Filter Replacement Pack: 1) Catalytic Carbon Filter 1) Color Changing DI Filter 1) In-Line Carbon Filter (Taste & Odor) 1) In-Line Sediment Filter

We use these same filters in our drinking water systems as our laboratory grade systems

20" Commercial Filter Pack Upgrade to Catalytic Carbon ::20" Carbon Block [ 2 x 5 Micron ] All pH meters should be20" Commercial Replacement Filter Pack This is the pre filter pack for our Pump Driven Commercial RO systems. We love the 2. 5 GPM flow rate with this specific filter array. Our array of high flow rate filters directly results in higher purity water as your RO membranes receive more line pressure than lower flow rate or lower micron size filters. (less pressure drop when filters get exhausted). We ask you to change your pre filters every 1500 gallons