Why did my tds go from 0 to 2. I flushed for 2 hours tds started at 1 then went to 2. With my old 3 year old filter I was at 0 tds

There might be different reasons causing this problem. It is better to empty the tank 2-3 times after changing filters. You may also replace other filters and sanitize the system if you need to. You may check online about how to sanitize your water filter system. Please remove all the filters from the system before you start to sanitation procedure. If these don’t solve the problem, you may contact with Amazon customer service to return the item.

Is this Filmtec membrane made by Dow or Dupont?

DuPont merged with FilmTec company and became a part of Dow FilmTec. Eventually, they will produce all the Residential FilmTec Membranes, and we started selling them too.

is this made in usa? I see another listing with the same numbers on it that says "residential" and it says imported.. Its Dow and numbers are the same

i be leave if it says imported , its still an American product that's just assembled in another country. Dont worry they work real good ,Total TDS 000.

does this fit the 10"x2.5" canisters

The housing size for this membrane is approximately 12.5” x 2.5”. If your housing size is 10 inch, this membrane can’t fit in because the membrane itself measures as 11-3/4” x 1-3/4”. However, if you are replacing the same brand (Dow Filmtec) undersink RO membrane, there won’t be a problem. You may also check with your RO manufacturer.

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💧 Elevate your hydration game with the membrane trusted by pros.

SEAMLESS COMPATIBILITY - Designed to fit standard 1.8" x 12" RO membrane housings for effortless upgrades.
DURABLE FILMTEC TECHNOLOGY - Advanced thin film composite membrane engineered for consistent, long-lasting performance.
ULTRA EFFICIENT 75 GPD OUTPUT - Purify up to 7.9 liters every hour—never run low on crystal-clear water.
NSF ANSI STANDARD 58 CERTIFIED - Trust in certified quality that meets rigorous safety and performance benchmarks.
INDUSTRY LEADING 98 SALT REJECTION - Experience near-perfect purification with stabilized salt removal that outperforms competitors.

The BW60-1812-75 (aka Dow Filmtec TW30-1812-75) is a premium reverse osmosis membrane delivering 75 gallons per day with 98% stabilized salt removal. NSF/ANSI Standard 58 certified, it fits standard 1.8" x 12" housings and uses advanced thin film composite technology for reliable, high-performance home water purification.

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Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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Manufacturer	Filmtec
Model Number	TW30
Package Dimensions	30.9 x 10.1 x 5.9 cm
Material	carbon
Color	blue
Size	1 Count (Pack of 1)
Package Weight	0.2 Kilograms
Batteries Required	No
Batteries Included	No
Brand Name	DOW FILMTEC
Country of Origin	United States
Item Weight	181 g

BW60-1812-75

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