Reusable and Detectable Ear Plugs

Elvex Quattro™ Reusable Ear Plugs

Quattro is a universal size reusable ear plug, designed to be used over and over again, with maintained comfort and effectiveness. Elvex Quattro offers the following features:

A four flange design that allows this ear plug to fit almost all ear canals.
An ultra-soft polymer provides a comfortable and effective seal.
A sturdy and stiff handle that allows an easy grip for insertion and removal.
Material is resistant to ear wax and body oils and will outlast PVC ear plugs by many months.
Polymer is non-allergenic and non-irritating to the sensitive skin in the ear canal.
Noise Reduction Rating is 25 dB, and the test was performed to ANSI S3.19-1974 at an independent
and certified laboratory. See test data below.
European Single Number Rating is 26 dB, and testing was performed at an independent and certified laboratory. See test data to EN-352-2 below.
Quattro is available in five versions, corded and un-corded, and packaged in poly-bag or handy plastic container, as well as in a metal detectable version.
Quattro has been assigned U.S. Military national stock numbers.


EP-401, ear plugs w/o cord in poly-bag, 100 pairs per box. NSN 6515 01 492 0443	EP-402, ear plugs w/o cord, key-chain and plastic case, 50 pairs per box. NSN 6515 01 492 0456	EP-412, corded ear plugs, key-chain and plastic case, 50 pairs per box. NSN 6515 01 492 0461

EP-411, corded ear plugs in poly-bag, 100 pairs per box. NSN 6515 01 492 0458	EP-413, PVC corded ear plugs in poly-bag, 100 pairs per box.	EP-415, corded, detectable ear plugs in poly-bag, 100 pairs per box.

Pricing is 20-30% below similar competitive products!

Detectable Earplugs

Elvex Quattro Detectable, EP-415 shown above

Attenuation test data from independent and certified test laboratories:

ANSI S3-19-1974, Dr. Michael & Associates, State College, Pennsylvania, USA

Frequency, Hz

125

250

500

1000

2000

3150

4000

6000

8000

NRR

Mean Attenuation, dB

29.4

30.8

31.8

32.1

33.1

37.8

36.8

39.5

Std. Deviation

4.3

4.0

3.9

3.3

2.6

3.6

3.3

4.5

2.8

CE EN-352-2:1993, Berufsgenossenschaftliches Institut fűr Arbeitssicherheit, Sankt Augustin, Germany

Frequency, Hz

125

250

500

1000

2000

4000

8000

SNR

Mean attenuation, dB

25.1

26.8

25.7

26.5

25.2

32.9

33.9

39.4

Std. Deviation

5.7

4.7

5.7

4.2

4.8

5.2

6.7

Protection Value

19.4

22.1

20.0

20.8

21.0

28.1

28.7

32.7

AS/NZS 1270:2002, Testing performed by Dr. Michael & Associates, State College, Pennsylvania

Frequency, Hz	125	250	500	1000	2000	4000	8000	SLC(80)
Mean Attenuation, dB	24.2	24.0	24.6	25.7	28.8	31.6	37.4	20.6
Std. Deviation	9.1	9.7	8.4	8.2	6.3	8.1	7.5
Mean - Std. Deviation	15.0	14.2	16.1	17.5	22.5	23.6	29.8

Download single page brochure showing Quattro earplugs.