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Pentek 20 x 4.5 Inch Water Filters (Total Products: 30) Sort By...Price: Low to HighPrice: High to LowNameNewest Pentek ChlorPlus-20BB Carbon Block Chloramine Reduction (20" x 4.63") - 1 Case/4 Filters Price Levels: $498.79 (1 - 2)$483.79 (3 - 5)$468.89 (6 +) Enter Qty: Pentek BBF1-20MB Mixed Bed Deionization Water Filter (20" x 4.5") Price Levels: $118.99 (1 - 2)$115.39 (3 - 5)$111.89 (6 +) Enter Qty: Pentek CBC-20BB Cyst Reduction Water Filters (20" x 4-5/8") Price Levels: $88.99 (1 - 2)$86.29 (3 - 5)$83.69 (6 +) Enter Qty: Pentek CRFC-20BB Chloramine Reduction Water Filter Price Levels: $159.99 (1 - 2)$155.19 (3 - 5)$150.39 (6 +) Enter Qty: Pentek DGD-2501-20 Sediment Water Filters (20" x 4.5") Price Levels: $31.49 (1 - 2)$30.59 (3 - 5)$29.59 (6 +) Enter Qty: Pentek DGD-5005-20 Sediment Water Filters (20" x 4.5") Price Levels: $25.69 (1 - 2)$24.89 (3 - 5)$24.19 (6 +) Enter Qty: Pentek DGD-7525-20 Sediment Water Filters (20" x 4.5") Price Levels: $32.39 (1 - 2)$31.39 (3 - 5)$30.49 (6 +) Enter Qty: Pentek ECP1-20BB Pleated Sediment Water Filters (20" x 4-1/2") Price Levels: $33.59 (1 - 2)$32.59 (3 - 5)$31.59 (6 +) Enter Qty: Pentek ECP20-20BB Pleated Sediment Water Filters (20" x 4-1/2") Price Levels: $30.89 (1 - 2)$29.99 (3 - 5)$28.99 (6 +) Enter Qty: Pentek ECP5-20BB Pleated Sediment Water Filters (20" x 4-1/2") Price Levels: $30.89 (1 - 2)$29.99 (3 - 5)$28.99 (6 +) Enter Qty: Pentek ECP50-20BB Pleated Sediment Water Filter (Sold Individually) Price Levels: $20.49 (1 - 2)$19.89 (3 - 5)$19.29 (6 +) Enter Qty: Pentek EP-20BB Carbon Block Water Filters (20" x 4-5/8") Price Levels: $52.49 (1 - 2)$50.89 (3 - 5)$49.39 (6 +) Enter Qty: Pentek EPM-20BB Carbon Block Water Filters (20" x 4-5/8") Price Levels: $45.09 (1 - 2)$43.69 (3 - 5)$42.39 (6 +) Enter Qty: Pentek GAC-20BB Drinking Water Filters (20" x 4.5") Price Levels: $53.59 (1 - 2)$51.99 (3 - 5)$50.39 (6 +) Enter Qty: Pentek NCP-20BB Carbon Water Filters (20" x 4-1/2") Price Levels: $41.99 (1 - 2)$40.69 (3 - 5)$39.49 (6 +) Enter Qty: Pentek OAC-20BB Oil Adsorbing Water Filter (1 Case / 6 Filters) Price Levels: $566.99 (1 - 2)$549.99 (3 - 5)$532.99 (6 +) Enter Qty: Pentek R30-20BB Pleated Polyester Water Filters (20" x 4-1/2") Price Levels: $32.99 (1 - 2)$31.99 (3 - 5)$30.99 (6 +) Enter Qty: Pentek RFFE20-BB Iron Reduction Water Filter (20" x 4.5") Price Levels: $98.49 (1 - 2)$95.49 (3 - 5)$92.59 (6 +) Enter Qty: Pentek S120-BB Sediment Water Filters (20" x 4.5") Price Levels: $20.99 (1 - 2)$20.39 (3 - 5)$19.69 (6 +) Enter Qty: Pentek WP1BB20P String-Wound Water Filters (Sold Individually) Price Levels: $41.99 (1 - 2)$40.69 (3 - 5)$39.49 (6 +) Enter Qty: WP25BB20P String Wound Water Filters (Sold Individually) Price Levels: $36.99 (1 - 2)$35.89 (3 - 5)$34.79 (6 +) Enter Qty: Pentek WP5BB20P String-Wound Water Filters (Sold Individually) Price Levels: $41.19 (1 - 2)$39.99 (3 - 5)$38.69 (6 +) Enter Qty: WPX100BB20P Fibrillated Polypropylene Water Filter (Sold Individually) Price Levels: $35.99 (1 - 2)$34.89 (3 - 5)$33.79 (6 +) Enter Qty: Pentek WS-20BB Water Softening Filter (20" x 4.5") Price Levels: $57.39 (1 - 2)$55.69 (3 - 5)$53.99 (6 +) Enter Qty: Pentek C1-20BB Carbon Water Filters (20" x 4-1/2") Price Levels: $62.99 (1 - 2)$61.09 (3 - 5)$59.19 (6 +) Pentek CC-20BB Coconut Carbon Drinking Water Filters (20" x 4.5") Price Levels: $52.49 (1 - 2)$50.89 (3 - 5)$49.39 (6 +) DISCONTINUED. REPLACEMENT FILTER AVAILABLE Pentek Fibredyne CFB-Plus20BB Carbon Block Water Filter (6 Filters/1 Case) Price Levels: $283.49 (1 - 2)$274.99 (3 - 5)$266.49 (6 +) Enter Qty: Ametek Pentek CP5-20BB Pleated Sediment Water Filter (20" x 4-1/2") Price Levels: $15.79 (1 - 2)$15.29 (3 - 5)$14.89 (6 +) DISCONTINUED. REPLACEMENT FILTER AVAILABLE Pentek / Ametek Kleen Plus / US Filter CBR2-20BB Water Filter Cartridge Price Levels: $104.99 (1 - 2)$101.89 (3 - 5)$98.69 (6 +) DISCONTINUED Pentek FLOPLUS-20BB High Flow Carbon Water Filter Price Levels: $99.49 (1 - 2)$96.49 (3 - 5)$93.49 (6 +) Enter Qty: