WaterFilterExperts.com > Products > Parts & Accessories > Filter Housings > 4.5" Diameter Big Bowl Housings > Hydronix BIG BLUE Housing 4-1/2" X 20" - 1" FNPT W/ PR

Hydronix BIG BLUE Housing 4-1/2" X 20" - 1" FNPT W/ PR

Hydronix HF45-20BLBK10PR | Our#: 175697

Recommended Filters
For This Housing

Carbon Filters (Taste & Odor)

Hydronix BIG BLUE Housing 4-1/2" X 20"  - 1" FIP w/ PR

NOTE: Housing does not include mounting bracket or screws


  • Great for a wide range of applications
  • NSF listed to Standard 42 such as residential, commercial and industrial
  • Includes Pressure Relief Valve
  • Accept standard "Big Blue" 4.5" Diameter Filter Cartridges

Hydronix BIG BLUE filter housings are manufactured of reinforced polypropylene. Most 20" length cartridges fit easily. Our commercial grade products have excellent chemical resistance and are ideal for many residential plumbing, commercial and light industrial applications. Our superior technology along with our quality control measures in place allow for a cost effective solution for many of your filtration needs. As an economical product this will allow your customers to maximize their profits without jeopardizing quality.

Hydronix BIG BLUE filter housings are Tested and Certified by NSF International to NSF/ANSI Standard 42 for material and structural integrity requirements only. These are an excellent substitute for expensive low pressure stainless steel multi cartridge housings. Many cartridge styles available such as Carbon Block, GAC, Pleated and Multi-Depth Polypropylene.


Housing Color : BLUE                                                                                                                                                                                                                                                      Cap Color : BLACK
Plumbing Connection : 1" NPT in / out
Dimensions : 23-1/2" Tall X 7-1/4" Wide ( diameter )
Housing Material : Polypropelene
Cap Material :  Polypropelene 
Button Assembly : - Stainless Steel, EPDM, Polypropelene
O-Ring : BUNA-N
Maxiumum Temperature : -  100F (37.7C)
Maximum Pressure : - 100 PSI (6.90 BAR)


CapabilityWill accept standard 20" filter cartridges
Dimensions23-3/8" X 7-1/4" w/ 1" Female NPT
Maximum Pressure Rating125 degrees F
Temperature Range35 to 125 degrees F