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Duracell Security 21/23 Alkaline 12V Battery - MN21 - Alkaline - 12 V DC - 1 Each

Item Number: DURMN21BPK

Retail Price: 2.00
Our Price: $1.54 / EA (savings $0.46)

Quantity in Stock: 331

  • Reliable, long-lasting power
  • Duracell special application design
  • Use in important devices like your key fob, car alarm, GPS tracker and other security devices
  • Size: 12 V DC
Free shipping on UPSable supply orders over $50.

Additional Information

12 Volt Security Battery provides trustworthy power for many car alarm remotes, electronic door locks, garage door openers, motion detectors, home security devices and a wide variety of other security needs.

General Information
Manufacturer: Duracell Inc.
Manufacturer Part Number: MN21BPK
Manufacturer Website Address:
Product Name: Security 21/23 Alkaline 12V Battery - MN21
Packaged Quantity: 1 Each

Battery Information
Application/Usage: Multipurpose
Battery Chemistry: Alkaline
Output Voltage: 12 V DC

Physical Characteristics
Weight (Approximate): 0.28 oz

  • Alarms
  • Garage door openers

Environmentally Friendly: Yes

Prefix & Stock Number: DUR MN21BPK

Why is it so important to change air filters?

Just because dust is small does not mean it cannot hurt you. Even if you do not have allergic reactions typically, the dander in dust particles can be extremely detrimental to anyone in your office causing adverse reactions and business as well is hard to conduct under those circumstances. Some people also develop allergies later in life or do not even realize they are allergic to dust for many decades. If you find yourself sneezing every time air conditioning or heating goes on there is a good chance you are experiencing an intolerance to dust.

Better quality air filters typically capture smaller particles than their cheaper counterparts. By changing filters regularly, you are not only helping yourself now but also in the future as duct cleaning is not always successful. Once dust has settled inside your vents, trying to get every bit of debris out with an air-compressor is not easy. Changing air filters regularly avoids build up in your vents that over time will only likely get worst.

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