2,400 GPD at 205 PSI 4 x 40 inch HCTI Membranes ( MEM-4040TW )

2,400 GPD at 205 PSI 4 x 40 inch HCTI Membranes ( MEM-4040TW )

Marsoni

M251S

$105.00

Get it in 3 business days with 1 day shipping. Friday, May 29

2,400 GPD at 205 PSI 4 x 40 inch HCTI Membranes ( MEM-4040TW )2,400 GPD at 205 PSI 4 x 40 inch HCTI Membranes ( MEM 4040TW ) QUANTITY ORDERS ONLY CONTACT US FOR LEAD TIME For Quantity Discounts Contact Us for a Quote! For Customers Outside The United States, Contact Us for a Quote! Call: 1 (760) 598 0189 Email: hctivista@gmail. com PLEASE REFERENCE DATA SHEET AND TABLE BELOW Permeate flow and salt rejection based on the following test conditions: 2000 ppm TDS, 225psi (1. 55Mpa), 77 F (25 C),pH 7. 5 and 15%

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Absolutely love these boots! I originally bought them to wear in NYC in December & they did not disappoint. They were comfortable, cute, durable and worked well in the slush/snow. The traction on the bottom is also nice! They kept me warm with wool socks. I wear them almost daily now. Perfect for everyday. easy to wear with variety of outfits. Good every day shoe.

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Reviewed in the United States on January 3, 2026

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Kimberly

Lexington, US

★★★★★ 5

Snagged a deal

Size: 7, Color: Redwood/Gum 10

I waited and waited to get these boots! I knew I was chancing it, but they went on sale, and I snagged them! I am a size 7, and they fit nicely with socks. a little loose, barefooted, but what psycho wears boots without socks? They are comfortable and really well-made.

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Reviewed in the United States on April 8, 2026

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ashlynnk

Fort Morgan, US

★★★★★ 4

Cute, comfortable waterproof boots (a little snug to put on)

Size: 7, Color: Velvet Tan/Gum 2

These are really cute Chelsea-style boots and feel very comfortable once they’re on. The waterproof material is great for wet weather and the sole feels sturdy with good traction. They look stylish enough to wear casually but still feel practical for rainy days. The only downside is they can be a little difficult to put on at first because the opening is somewhat snug, but once they’re on they fit well and feel supportive. Overall they’re a great waterproof boot and I’ve enjoyed wearing them.

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Reviewed in the United States on March 17, 2026

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Abby B

West Palm Beach, US

★★★★★ 5

Surprisingly great for my wide feet and high instep!

Size: 10.5, Color: Velvet Tan/Gum 2

So thrilled I took a chance on these. Finding boots is impossible for me. I have wide feet, a super high instep, a bunion on one foot, and I wear a hard to find size (10.5). I ordered the 10.5 and 11 in these expecting I might need to size up for width (if I could even get them on). It was a struggle getting the 10.5s on the first time, and once I did they were somewhat uncomfortable on the top of my left foot. But I read that they would relax so decided to give it a go because I need waterproof boots for an upcoming trip and the 11s felt too long. After two days of light wear, they are already breaking in and I have no more discomfort. Getting them on is already easier and they are plenty wide enough and very comfortable to walk in. These are true to size. Super happy and worth a day of mild discomfort to break them in!

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Reviewed in the United States on March 7, 2026

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Charlottesville, US

★★★★★ 5

Comfortable, sturdy, waterproof

Size: 9.5, Color: Black/Black

Loce, love, love these boots. Have walked ten miles with no foot pain around NYC. They go with everything and and are so comfortable. As they are waterproof/resistant, they get a little warm in high temps, but perfect three-season boots.

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Reviewed in the United States on May 17, 2026