Vertex IsoTwist 450R 3 Set Filter Bundle (membrane not included)

Isotwist 450-R filters:

• Stage 1 - ISOTwist Sediment Filter - 1/4-turn 5-micron poly-spun cartridge
• Stage 2 - ISOTwist Carbon Block Filter - 1/4-turn 5-micron carbon block filter
  
• Stage 4 - ISOTwist Carbon Block Filter - 1/4-turn 5-micron carbon block filter