Dissolved Oxygen Sensor Membrane Cap

Marsoni

M251S

$20.00

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

Dissolved Oxygen Sensor Membrane CapDissolved Oxygen Sensor Membrane Cap This product is a replacement membrane cap for the Gravity Analog Dissolved Oxygen Sensor, which needs to be used in conjunction with the sensor and electrolyte. There is a transparent oxygen permeable membrane on the membrane cap which is easily damaged. Please take care to protect it. Do not touch it with sharp objects or nails. When using it, you need to drip in about two thirds of the electrolyte before you put

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Keep your keys, wallet, and all other every day carry items in one, high quality location. Very nice material and build quality that accessorizes my dresser perfectly. The size is appropriate for everything that belongs in your pockets. Overall the best value for your $ I’ve seen, especially if you can catch a discount.

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Reviewed in the United States on March 30, 2026

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Daniel Fuller

Chelsea, US

★★★★★ 5

Good quality, good looking

Color: Sand Brown, Size: 9.5in x 7.9in

High quality build and nice-looking. Perfect for my guest room, where people leave wallets and keys and chapstick and sunglasses and whatnot. Love it

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Reviewed in the United States on February 13, 2026

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amiller

Port Orchard, US

★★★★★ 5

Very nice! Great gift!

Color: Pebble Black, Size: 9.5in x 7.9in

The photos don’t do this item justice. This is very high-quality construction and great look. My son loved it. I will order more for gifts.

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Reviewed in the United States on April 17, 2026

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