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iSpring Multi-layer filtration allows for less clogs and minimal pressure loss.	iSpring carbon block filter uses high quality coconut shell carbon and highly compact fabrication tech for maximum filtration efficiency and filter life.	iSpring iron manganese filter efficiently reduces iron (max 3.0 -> 0.01 ppm) and manganese (max 1.0 -> 0.01 ppm) Filtration Capacity: 50k gal at 3.0ppm for iron If you are on well water, we recommend getting your water tested before purchasing the product for the best results. If you have any questions or need any product recommendations, please feel free to reach out. We are happy to help! If you have higher level of iron or manganese, please consider our WCFM500K whole house water filter.

Frequently Asked Question

Q: With this whole house system, do I still need to install a water softener if my water is very hard?

A: Yes, a water softener is needed if your source water has a high level of hardness, usually with TDS higher than 700 PPM. Hard water can reduce the lifespan of whole house water filter cartridges. The harder the water, the greater amount of scale buildup occurs, and the sooner the filters get clogged.

This whole house water filter can remove up to 95% of sediment, chlorine, rust, pesticides, herbicides, industrial solvents, VOCs, and various other contaminants that a regular water softener can't, although it does not soften your water. It is recommended that you install this WGB32B series whole house system after your water softener to achieve optimal performance if you have hard water.

To determine which product best suits your needs, it is recommended that you get a professional water test done prior to purchase to identify the main issue of your source water.

Note: Water Softeners and whole house systems usually do not lower the TDS level of the water. An additional Reverse Osmosis system may be necessary for your drinking water. Please consult iSpring professionals prior to purchase if you are unsure of which product will meet your needs.

Product Features

Peak Flow Rate: 15 GPM
Minimum Working Pressure: 25 psi
Maximum Working Pressure: 80 psi
Operating Temperature: 40-100 ºF
pH Range: 6 - 11
Easy DIY Installation
1 inch NPT inlet / outlet

Highlighted Features


100,000-gallon capacity replaceable highly compact coconut shell activated carbon filter provides a full year of clean water for your entire family.	This whole house system removes up to 95% of sediment, chlorine, chloramines, chemicals, heavy metals and other contaminants that create color, foul tastes and odors. (Tested by SGS, 2018)	Please refer to our video and manual for installation guide. If you have any questions or difficulties during or after installation, feel free to reach out! We stand behind our products and are always here to help!


	WCFM500K	WGB32BM	WGB22BM	WGB21BM	WDS150K	WF150K
Self-clean	✓	-	-	-	-	✓
Reduces Sediment	✓	✓	-	-	-	-
Reduces Chlorine	-	Up to 99%	Up to 99%	Up to 99%	-	Up to 99.9%
Reduces Iron, Manganese, or Hydrogen Sulfide	Reduces Iron (up to 12 ppm), Manganese and Hydrogen Sulfide (up to 20 ppm)	Reduces Iron (up to 3 ppm), Manganese (up to 1 ppm)	Reduces Iron (up to 3 ppm), Manganese (up to 1 ppm)	Reduces Iron (up to 3 ppm), Manganese (up to 1 ppm)	-	Reduces Hydrogen Sulfide
Reduces Heavy Metals	-	-	-	-	-	Reduces Hydrogen Sulfide
Prevents and Reduces Scale and Corrosion	-	-	-	-	✓	✓
Time before Filter Changes	Up to 10 years	Up to 1 year	Up to 1 year	Up to 6 Months	Up to 1 year	Up to 10 years
Capacity	Up to 500K Gallons	Up to 100K Gallons	Up to 100K Gallons	Up to 50K Gallons	Up to 100K Gallons	Up to 1,000K Gallons


	F3WGB32BM	FP25B	FC25B	FM25B	LS43
Filtration	Sediment, Chlorine, and Iron & Manganese Reducing	5 Micron Sediment Reducing	Chlorine Reducing	Iron & Manganese Reducing	-
Media	PP + Carbon Block + Catalytic Media	Polypropylene	Coconut Shell Carbon	Catalytic Media (No Chemical Added)	Water Leak Detector Alarm System with Automatic Shut-Off Valve
Recommended replacement cycle	Every 6-12 months	Up to 100,000 Gallons (12 Months)	Up to 100,000 Gallons (12 Months)	50,000 Gallons at 3.0 ppm Iron Level	-
Size	4.5” x 20”	4.5” x 20”	4.5” x 20”	4.5” x 20”	3/4” NPT thread + 20 feet water sensor x2