Pentek FloPlus 20BB / 455906-43 Carbon/Fiber Block Filter Cartridge

NSF Independently Certified

Hydronix SMCB-4520

  • 0.5 Micron
  • Recommended
List Price $54.99

Our Price: $47.58

See notes below


List Price $329.94

6 Filters: $285.48


In Stock
NSF Certified

Pentek FloPlus 20BB

  • 0.5 Micron
List Price $103.42

Our Price: $71.74

See notes below


List Price $620.52

6 Filters: $430.42


Ships in 5 business days
  • Product Overview
  • Contaminant Reduction
This item is available for pre-order. Most pre-order items are shipped within 1-2 weeks. To obtain a more accurate estimate, please contact us via phone, email, or online chat.

This item is available in Super Value case packs only.

Pentek 455906-43 Specifications:
  • Filter Media: Bonded PAC
  • Application: City or well water
  • Dimensions: 20" L x 4-5/8" D
  • Micron Rating (Nominal): 0.5
  • Initial ΔP (psi) @ Flow Rate: 4 psi @ 4 gpm
  • Temperature Rating: 40°F to 100deg;F
  • Part Number: 455906-43 / 45590643
FloPlus Series Cartridges Overview: *All performance claims are based on manufacturer’s internal testing
  • 99.95% reduction of cryptosporidium, giardia, and cysts
  • True depth filtration which offers greatest life of any cyst-capable carbon cartridge
  • Premium dirt-holding capacity
  • Outstanding chlorine taste & odor reduction
  • High flow rates and low pressure drop similar to a nominal 10-micron cartridge
  • Whole house cyst reduction with carbon treatment
  • Cyst reduction where low flow, high pressure drop or premature plugging has been problematic
  • Areas where low water pressure has made cyst reduction difficult due to high pressure drops (low flow)
  • High flow applications (>25 gpm possible)
Documentation: Compatible Part or Model Numbers
  • American Plumber WFP-20BBA, WFP-20BB, 555017-51
  • Pentek 455906-43
Compatible Systems & Housings:
  • Pentek FPS-20BB
  • American Plumber WFP1.5-20BBA FloPlus System (Part number: 152087)
  • Pentek 20" Big Blue filter housings (#20 Big Blue)
  • Most brands' 20" x 4.5" housings

The FloPlus 20BB filter cartridge replacement has been tested and certified by NSF International under NSF/ANSI Standard 53 in model FPS-20BB for the reduction of cysts (Not certified for sale in CA, IA, MA, or WI). The FloPlus 20BB has also been tested internally by the manufacturer to reduce chlorine taste & odor, bad taste & odor, and sediment.