2,600 GPD at 100 PSI 4 x 40 inch HCTI Membranes

2,600 GPD at 100 PSI 4 x 40 inch HCTI Membranes

Marsoni

M251S

$138.33

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

2,600 GPD at 100 PSI 4 x 40 inch HCTI Membranes2,600 GPD at 100 PSI 4 x 40 inch HCTI Membranes FREE SHIPPING to the Continental United States! Financing Options Available at Checkout via Shop Pay & Paypal! For Quantity Discounts Contact Us for a Quote! For International Shipments Contact Us for a Quote! For Private Labeling Contact Us for a Quote! Call: 1 (760) 598 0189 Email: hctivista@gmail. com PLEASE REFERENCE TABLE BELOW Nominal Size Rate PSI Permeate Flow (GPD@77F) Salt Rejection 4 x 40 inch

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I was so skeptical about whether these would stay on my feet all day without sliding down into my shoe - I’ve tried so many socks in the past with the silicone strip on the heel which failed. I’ve owned these for a couple months now and they have never slipped down - they stay put all day! I love the variety of colors to choose from, and the value per pack is great since six pairs come per pack (I thought it was only three when I first purchased and was pleasantly surprised by the additional pairs). They also have perfect thickness - not too warm to wear during the summer months with sneakers; I live in a tropical climate, though, so I’m not sure how they will do in cooler climates. I’ve washed each pair once or twice and the color and quality of the silicone has stayed so far (knock on wood). Overall: high recommend based on my experience so far!

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Reviewed in the United States on September 13, 2025

Verified Purchase

Maggie Vega

Birmingham, US

★★★★★ 5

Great fit!

Size: Medium, Color: (403) Washed Navy / Washed Navy / Blue Smoke

Great quality!

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Reviewed in the United States on May 15, 2026

Verified Purchase

Kira Stewart

Port Orchard, US

★★★★★ 5

My favorite socks

Size: Medium, Color: (659) Fuchsia Dusk / Fuchsia Dusk / Tourmaline Pink

Very comfortable. True to size. Moisture wicking

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Reviewed in the United States on April 25, 2026

Verified Purchase

Theresa

Carnegie, US

★★★★★ 4

No show but stays on

Size: Medium, Color: (014) Halo Gray / Halo Gray / Castlerock

I wear these socks daily. They truly don’t show with my workout shoes or with hey dudes. But the best thing about them is that they actually stay on your foot. I work out hard and I don’t ever have to pull them up. I do wish they were just a little bit thicker than they are, but they are definitely a product I will buy again.

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Reviewed in the United States on May 22, 2026