How frequent I have to change filter?

Hi Jonathan, Great question, thanks for inquiring with us! The filtration capacity for Chlorine is 5000G, and filtration life for LEAD is 1000G, so the filter life can be 6 month to 2 years depend on your daily usage and feed water quality. but we won’t suggest you do the cartridge change very long. As you know the filtration performance is dropping gradually when time goes by, so the longer time you use, the less good water you get. The best time is 1 year or less, the filter cartridge maintenance is much cheaper than the other brands, so it will still save you a lot of money even you change often. Frizzlife suggest no matter what brand of water filtration you will get, do not use that for over 3 years not changing the cartridge, the performance of filtering will be very very low. If you have any more question, please feel free to contact us anytime. Thank you. Best Regards, Frizzlife Customer Service Team.

does this work for septic systems?

Do not replace your septic system with this inline water filter.

Can this filter be used for a commercial ice machine?

In my experience w/ice machines. you can hook up any filter through the water line. however is the filter sized right for the size of the machine. this I cannot answer, you would need to look at the spec's of the machine requirements and what this filter will handle. your best source for this answer will be both manufacturers of the ice machine and Frizzlife. good luck

Why is it so difficult to find the actual filter replacement for my frizzlife mk99 filter? you would think this would be a no brainer

I recommend upgrading to the Frizzlife FZ-3 Replacement Water Filter Cartridge For MP99, MK99, MV99 & MS99 - With Scale Inhibition. Money well spent. https://www.amazon.com/gp/product/B07XF6WM79/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1

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Under Sink Water Filter System-NSF/ANSI 53&42 Certified High Capacity Direct Connect Under Counter Drinking Water Filtration System-0.5 Micron Reduces Lead, Chlorine, Bad Taste & Odor

Product ID: 104850246

Details

Brand
FRIZZLIFE
Capacity
1600 Gallons
Included Components
Inlet Hose 3/8
Installation Type
Material
NSF/ANSI
Package Information
Cartridge

💧0.5 Micron Ultra-Filtration

🔧3-Minute No-Plumbing Install

♻️Eco-Friendly Cartridge Swap

113761CFA

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Sold byAmazon SenegalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🚰 Elevate Your Tap Game: Pure Water, Zero Fuss!

SUSTAINABLE SAVINGS - Replace only the core filter cartridge—cut costs and plastic waste.
EFFORTLESS DIY SETUP - Fits 3/8" & 1/2" lines with quick-connect hoses—no plumber needed.
BUILT IN AUTO SHUT OFF VALVE - Twist-in filter changes with zero water mess or shutoff hassle.
HIGH FLOW MULTI PURPOSE USE - 1.89 L/min flow rate perfect for drinking, cooking & cleaning.
PRECISION 0 5 MICRON FILTRATION - Blocks lead, chlorine, PFAS & more for crystal-clear water.

The Frizzlife MK99 Under Sink Water Filter System delivers advanced 0.5 micron two-stage filtration certified to NSF/ANSI 53 & 42 standards, effectively reducing lead, chlorine, PFAS, and other contaminants while preserving essential minerals. Designed for ultra-easy installation on standard 3/8" or 1/2" cold water lines, it features a built-in auto shut-off valve for mess-free filter changes in under 3 minutes. With a high flow rate of 1.89 L/min and a sustainable cartridge replacement system, it offers professional-grade water purification that fits seamlessly into your modern kitchen lifestyle.

Specifications

ASIN	B07MFYQBTX
Best Sellers Rank	#22,728 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #62 in Under-Sink & Countertop Filtration
Brand Name	FRIZZLIFE
Capacity	1600 Gallons
Container Type	Cartridge
Customer Reviews	4.5 4.5 out of 5 stars (6,877)
EU Spare Part Availability Duration	2 Years
Filter Life Cycle	2 Years
Included Components	Inlet Hose, Outlet Hose, 3/8 Directly Connect hoses, 3/8 to 1/2 converter fittings
Installation Type	Self-installation
Item Dimensions L x W x H	14.7"L x 7"W x 6.77"H
Item Weight	4.2 Pounds
LowerTemperature Range	4 Degrees Celsius
Manufacturer	Frizzlife
Material Type	NSF/ANSI Approved Components
Maximum Flow Rate	1.89 Liters Per Minute
Model Name	Frizzlife Under Sink Water Filter System or MK99
Model Number	MK99
Operating Pressure Range	20-80 PSI
Other Special Features of the Product	0.5μm Deep Filtration to reduce Lead, chlorine, PFAS, PFOA/PFOS, Certified by IAPMO against NSF/ANSI 53 & 42, easy installation, easy filter replacement
Part Number	MK99
Power Source	Corded Electric
Purification Method	Activated Carbon, Carbon Block
Smart Home Compatibility	Not Smart Home Compatible
Supported Water TDS Level Maximum (PPM)	500
UPC	753936421172
Unit Count	1.0 Count
Upper Temperature Rating	38 Degrees Celsius

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