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Home > Point of Entry Replacement Filters > Whole House Water Filters > 20 Inches Long x 4.5 Inches Wide Big Blue Water Filters


20 Inch x 4.5 Inch Replacement Water Filters

Used in Whole House Systems, Commercial Filter Systems, and many other Water Filter Systems

Whole House 20 inch Heavy-Duty Big Blue Whole House Water Filtration System




Sediment Filtration Replacement Water Filters (Approximately 20" x 4.5")




DGD-2501-20 Polypropylene Dual-Gradient Density Water Filter - 25/1 micron; 20'' x 4.5''
Product Code: DGD-2501-20 - Individually Priced At: $30.59 (Bulk Pricing: $20.59 each)




DGD-5005-20 Polypropylene Dual-Gradient Density Water Filter - 50/5 micron; 20'' x 4.5''
Product Code: DGD-5005-20 - Individually Priced At: $24.99 (Bulk Pricing: $14.99 each)




DGD-7525-20 Polypropylene Dual-Gradient Density Water Filter - 75/25 micron; 20'' x 4.5''
Product Code: DGD-7525-20 - Individually Priced At: $31.49 (Bulk Pricing: $21.49 each)




ECP1-20BB Pleated Cellulose Polyester Water Filter - 1 micron; 20'' x 4.5''
Product Code: ECP1-20BB - Individually Priced At: $32.59 (Bulk Pricing: $28.59 each)




ECP5-20BB Pleated Cellulose Polyester Water Filter - 5 micron; 20'' x 4.5''
Product Code: ECP5-20BB - Individually Priced At: $29.99 (Bulk Pricing: $23.99 each)




ECP20-20BB Pleated Cellulose Polyester Water Filter - 20 micron; 20'' x 4.5''
Product Code: ECP20-20BB - Individually Priced At: $29.99 (Bulk Pricing $25.99 each)




ECP50-20BB Pleated Cellulose Polyester Water Filter - 50 micron; 20'' x 4.5''
Product Code: ECP50-20BB - Individually Priced At: $23.65




R30-20BB Pleated Polyester Water Filter - 30 micron; 20'' x 4.5''
Product Code: R30-20BB - Individually Priced At: $31.99 (Bulk Pricing: $23.99 each)




S1-20BB Pleated Cellulose Water Filter - 20 micron; 20'' x 4.5''
Product Code: S1-20BB - Individually Priced At: $20.39 (Bulk Pricing: $14.39 each)




WP1BB20P Polypropylene String-Wound Water Filter - 1 micron; 20'' x 4.5''; 6 filters per case
Product Code: WP1BB20P - 1 Case WP1BB20P for $251.99 (6 filters for $42.00 each)




WP5BB20P Polypropylene String-Wound Water Filter - 5 micron; 20'' x 4.5''; 6 filters per case
Product Code: WP5BB20P - 1 Case WP5BB20P for $233.09 (6 filters for $38.85 each)




WP25BB20P Polypropylene String-Wound Water Filter - 25 micron; 20'' x 4.5''; 6 filters per case
Product Code: WP25BB20P - 1 Case WP25BB20P for $226.79 (6 filters for $37.80 each)




WPX100BB20P Polypropylene String-Wound Water Filter - 100 micron; 20'' x 4.5''
Product Code: WPX100BB20P - Individually Priced At: $29.40





Carbon Replacement Water Filters (Approximately 20" x 4.5")




CBC-20BB Carbon Briquette Water Filter - 0.5 micron; 20'' x 4-5/8''
Product Code: CBC-20BB - Individually Priced At: $79.49 (Bulk Pricing: $69.99 each)




KX Matrikx 06-425-200-20 Carbon Block Water Filter - 0.5 micron; 20'' x 4-1/4''
Product Code: 06-425-200-20 - Individually Priced At: $104.99 (Bulk Pricing: $94.99 each)




EP-20BB Carbon Briquette Water Filter - 5 micron; 20'' x 4-5/8''
Product Code: EP-20BB - Individually Priced At: $50.99 (Bulk Pricing: $40.99 each)




EPM-20BB Carbon Briquette Water Filter - 10 micron; 20'' x 4-5/8''
Product Code: EPM-20BB - Individually Priced At: $43.79 (Bulk Pricing $36.79 each)




FloPlus-20BB High Flow Carbon Block Cyst Reduction Filter - 0.5 micron; 20" x 4-5/8" W"
Product Code: FloPlus-20BB - Individually Priced At: $96.59 (Bulk Pricing: $87.59 each)




GAC20-BB Granular Activated Carbon Water Filter - 20 micron; 20'' x 4.5''
Product Code: GAC20-BB - Individually Priced At: $51.99 (Bulk Pricing: $38.99 each)




NCP-20BB Non-Cellulose Pleated Water Filter - 10 micron; 20'' x 4.5''
Product Code: NCP-20BB - Individually Priced At: $40.79 (Bulk Pricing: $30.79 each)




RFC-20BB Radial Flow Carbon Water Filter - 25 micron; 20'' x 4.5''
Product Code: RFC-20BB - Individually Priced At: $59.99 (Bulk Pricing: $48.54 each)





Specialty Replacement Water Filters (Approximately 20" x 4.5")




BBF1-20MB Mixed Bed Deionization Water Filter - 20" x 4.5" (508 mm x 114 mm)
Product Code: BBF1-20MB - Individually Priced At: $108.99 (Bulk Pricing: $101.99 each)




CRFC-20BB Chloramine Reduction Water Filter - 20'' x 4.5'' (508 mm x 114 mm)
Product Code: CRFC-20BB - Individually Priced At: $141.79 (Bulk Pricing: $131.79 each)




ECW-20BB-WF Empty Refillable Cartridge - 20" x 4-1/2"
Product Code: ECW-20BB-WF - Individually Priced At: $19.99 (Bulk Pricing: $17.99 each)




KDF55-20BB-WF KDF-55 Heavy Metal and Bacteria Reduction - 20" x 4-1/2"
Product Code: KDF55-20BB-WF - Individually Priced At: $55.69 (Bulk Pricing: $47.69 each)




KDF85-20BB-WF KDF-85 Iron and Hydrogen Sulfide Reduction - 20" x 4-1/2"
Product Code: KDF85-20BB-WF - Individually Priced At: $120.79 (Bulk Pricing: $110.79 each)




OAC-20BB Oil Adsorbing Water Filter - 20.125" x 4.5''; 6 filters per case
Product Code: OAC-20BB - 1 Case OAC-20BB for $566.99 (6 filters for $94.50 each)




PCC-106 Hexametaphosphate Crystal Water Filter Insert - 5-7/16" x 1-1/16"; 24 filter inserts per case
Product Code: PCC-106 - Individually Priced At: $8.59




RFFE20-BB Radial Flow Iron Reduction Water Filter - 20'' x 4.5''
Product Code: RFFE20-BB - Individually Priced At: $95.59 (Bulk Pricing: $84.58 each)




WS-20BB Water Softener Water Filter - 20" x 4.5" (508 mm x 114 mm)
Product Code: WS-20BB - Individually Priced At: $55.69 (Bulk Pricing: $45.69 each)