Pentair EF-1500 Series Style:Refill Total Clearance (so you can

Total Clearance (so you can change the cartridge): 15"

As far as actually changing it

The baby of the Everpure EF series

run the tap for a few minutes to flush out any dust or little bits

but this baby packs a punch

Pentair EF-1500 Series Style:Refill Total Clearance (so you canThe baby of the Everpure EF series, this wee tiny itty bitty teensy weensy thing filters 1500 gallons before it starts bawling for a change. That said, it also filters down to 0. 5 microns, which is half the size of your typical bacteria. Which is why the NSF certified it under standard 53 to reduce cysts such as Cryptosporidium and Giardia by mechanical means. Oh, and also standard 42 for taste smell other aesthetic impurities. Oh, and its also a