Versatile filter options for your 4.5” x 10” Water Doctor system.
This page offers a full range of 4.5 x 10 inch replacement filter cartridges designed to fit Water Doctor WF-10B, WF-10BC, and other compatible 4.5"x10" standard housings. Whether you're filtering sediment, chlorine, taste, or odor — we’ve got you covered.

Available Filter Types:

• PP Sediment Filter (Polypropylene)
  ➤ Captures large particles like sand, rust, and dirt
  ➤ Ideal as a first-stage filter
  ➤ Recommended replacement: Every 6 months
• PS Spun Sediment Filter
  ➤ Depth filtration with graded density
  ➤ Better dirt holding capacity
  ➤ Recommended replacement: Every 6 months
• PL Pleated Sediment Filter
  ➤ Washable & reusable
  ➤ High flow rate & dirt holding capacity
  ➤ Recommended replacement: Every 6–12 months
• CTO Carbon Block Filter
  ➤ Removes chlorine, chemicals, and improves taste/odor
  ➤ Recommended replacement: Every 6–12 months
• GAC Granular Activated Carbon Filter
  ➤ Targets chlorine, taste, and organic chemicals
  ➤ Great for high flow applications
  ➤ Recommended replacement: Every 6–12 months

Compatible Housing Models:

• Water Doctor WF-10B

• Water Doctor WF-10BC

• All standard 4.5” x 10” filter housings

All filters made with food-grade materials and high-quality media to ensure safe, clean, and great-tasting water.