Blue Chalcedony with Stilbite / 2-5" AVG - 1 LB. LOT

Marsoni

M251S

$30.92

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

Blue Chalcedony with Stilbite / 2-5" AVG - 1 LB. LOTQuantity: 1 pound Average size range: 2 to 5 inches Chalcedony is a silica based mineral composed of very finely woven growths of moganite and quartz. Naturally appearing in shades of white, grey, blue, and brown, samples of carved chalcedony have been found from sources as early as Minoan Crete and first century Afghanistan. Agate, onyx, and bloodstone are all varieties of chalcedony. This chalcedony may contain varying amount of stilbite or other

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This premium HEPA‑rated filter does an outstanding job of keeping dust, pollen, and tiny airborne particles out of the cabin — much better than standard cabin filters. It’s designed and tested to meet true HEPA filtration standards, effectively capturing up to 99.97 % of particles down to 0.3 microns in size, so the air inside the car feels noticeably cleaner and fresher. Installation was straightforward and fit exactly in place in my vehicle with no modifications needed. The high‑quality filter media feels dense and well‑constructed, with built‑in structural support to help it hold its shape throughout its service life.

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Reviewed in the United States on February 26, 2026

Verified Purchase

Tracy W.

Lake Worth, US

★★★★★ 5

Must Buy HEPA Cabin Filter

Size: 9.7" x 9.3" x 1.8"

Great filter and excellent Value! And, it’s a Bosch !!! Description and sizing were exactly as advertised. DIY install was easy and it fit my 2019 Highlander perfectly ! Filter is HEPA and well made and is a good thickness, so much better than the flimsy one the car dealership installed. Impressive ! Highly recommend!

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Reviewed in the United States on March 7, 2026