Siemens 6ES7 421-1FH20-0AA0

Marsoni

M251S

$219.50

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

Siemens 6ES7 421-1FH20-0AA06ES74211FH200AA0INPUT MODULEDIGITALSIMATIC S7 400SM 421 INPUT16 CONTROLLABLE INPUTS120 230 VAC12 WATT80 MA

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decent product. not as thick as typical sound deadening but definitely cheaper. and for my application, i didnt need a name brand thicker material. i am putting it on our heat and ac vent and intake pipes during our remodel. sound travels from room to room in our old house through these vents and pipes so a little sound deadening goes a long way

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Reviewed in the United States on June 2, 2026

Verified Purchase

Miguel

Grantham, US

★★★★★ 5

Quality

Size: 36 sqft

Good item

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Reviewed in the United States on May 30, 2026

Verified Purchase

Amazon Customer

Pawtucket, US

★★★★★ 2

Buy the individual cross cut sheets, not these rolls.

Size: 36 sqft

I ordered two different types, individually cross cut foil rectangular pieces and these rolls both containing 36. sq. ft. The cross cut sheet blows this away. This stuff is much thinner, much less butyl rubber, much flimsier foil, and needs twice as much to have the same effect. Once you put it on, you cant remove it. The other brand's 2mm is much thicker than this.

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Reviewed in the United States on June 3, 2026