NF90-4040 FilmTec™ DOW / DuPont Nanofiltration 2,000 GPD at 70 PSI 4 x 40 inch Membranes

NF90-4040 FilmTec™ DOW / DuPont Nanofiltration 2,000 GPD at 70 PSI 4 x 40 inch Membranes

Marsoni

M251S

$196.22

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

NF90-4040 FilmTec™ DOW / DuPont Nanofiltration 2,000 GPD at 70 PSI 4 x 40 inch MembranesNF90 4040 FilmTec DOW DuPont Nanofiltration 2,000 GPD at 70 PSI 4 x 40 inch Membranes PLEASE REFERENCE TABLE AND DATA SHEETS BELOW DuPont FilmTec NF90 4040 Nanofiltration Element Product Description The DuPont FilmTec NF90 4040 is a 4 inch by 40 inch Nanofiltration (NF) element engineered for high productivity at a low operating pressure. This element selectively removes multivalent ions (like hardness, sulfate, and magnesium) and high molecular

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If your dog pulls on these (and why wouldn’t he?), the rope immediately comes out. Turns out they just fuse the ends of the nylon rope together, which is no match for a dog playing tug. Any dog, any level of pulling will dismantle these. We’ve managed to reinsert the rope to a couple of these and KNOT it, which gives you a shorter rope but a toy that can withstand some play. But if I had wanted a DIY toy, I’d have used the balls and rope I already own.

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Reviewed in the United States on December 11, 2025

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Lesly

San Leandro, US

★★★★★ 3

Not for super chewers!

Color: Four colors, Size: 5cm (with rope), Color: Four colors, Size: 5cm (with rope)

These rope ball toys arrived today. My poodle puppy loves rope ball toys and playing tug of war. These didn’t last 10 minutes. For context, she is 1 y.o., 30 lbs., is not teething & has her adult teeth. She did this on her own- we were not playing tug of war at the time the toy fell apart. At least there are 3 more in the package & when the rope is done, we’ll still have the balls to play with.

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Reviewed in the United States on April 15, 2026

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Kimberly Farnham

Alexandria, US

★★★★★ 4

Great for small dogs

Color: Four colors, Size: 5cm (ball only)

Durability

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Reviewed in the United States on February 28, 2026

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JewelsfromJerri

Pawtucket, US

★★★★★ 5

Fun, Durable Balls for smaller heavy chewers

Color: Four colors, Size: 5cm (ball only)

Perfect size and strength for my small dog that is a heavy chewer! She hasn’t been able to destroy and chew up this one like she has with every other toy! Definitely chew resistant.

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Reviewed in the United States on April 26, 2026

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Jen Johnson

Omaha, US

★★★★★ 5

Bouncy and durable

Color: Four colors, Size: 5cm (ball only), Color: Four colors, Size: 5cm (ball only)

These balls are awesome - bouncy and super durable for my little guy!

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Reviewed in the United States on May 17, 2026