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	Harmful Effect of Particulates
	Japanese Standard for Particulate Respirator

Mighty Micron Filter

Mighty Micron Filter, with Koken’s proven unique technology, effectively holds particulates with static electricity generated from resin-treated sheep wool. Unlike mechanical filters featuring high dense fiber mechanism, the electro-static filter provides a remarkably high particulate filtering efficiency but a low inhalation resistance.

Compact respirator with a built-in fit checker weighing at only 76g

Filtering Efficiency : 80.0% or more (Avg.94.8%)

Inhalation Resistance : 50±20Pa (Avg.63Pa)

Exhalation Resistance : 40±23Pa (Avg.44Pa)

Increased Value of
Inhalation Resistance : - (Avg. 98Pa)

Weight : 76±15g (Avg. 78g)

Headband : Type RB

Replacement Parts
Inhalation Valve Oval Shape	Exhalation Valve Type T-6K	Sponge Egg Shape	Facelet Type S
		Disposable	Disposable

User Instruction : Model 1010A (PDF:407KB)

Basic model for welding with a built-in fit checker

Ozone/odor-removing carbon-blended filter can be installed with a Mighty Micron Filter

Filtering Efficiency : 95.0% or more (Avg.99.1%)

Inhalation Resistance : 50±25Pa (Avg.58Pa)

Exhalation Resistance : 32±20Pa (Avg.33Pa)

Increased Value of
Inhalation Resistance : - (Avg. 73Pa)

Weight : 145±20g (Avg. 146g)

Headband : Type RB

Filtering Efficiency : 95.0% or more (Avg.99.3%)

Inhalation Resistance : 48±25Pa (Avg.53Pa)

Exhalation Resistance : 32±20Pa (Avg.33Pa)

Increased Value of
Inhalation Resistance : - (Avg. 69Pa)

Weight : 147±20g (Avg.147g)

Headband : Type RB

Replacement Parts
Inhalation Valve Round Shape	Exhalation Valve Type T-6K	Sponge Egg Shape	Facelet Type P
		Disposable	Disposable

Replacement Parts
Inhalation Valve Round Shape	Exhalation Valve Type T-6K	Sponge Egg Shape	Facelet Type P
		Disposable	Disposable

User Instruction : Model 1005RR (PDF:640KB)

Versatile respirator with a larger downward visual angle

Respirator with headband with 4 retaining points and speaking diaphragm for verbal communication

Filtering Efficiency : 95.0% or more (Avg.98.8%)

Inhalation Resistance : 80Pa or less (Avg.56Pa)

Exhalation Resistance : 52Pa or less (Avg.34Pa)

Increased Value of
Inhalation Resistance : - (Avg. 75Pa)

Weight : 170g or less (Avg.150g)

Headband : Type RB

Filtering Efficiency : 95.0% or more (Avg.98.1%)

Inhalation Resistance : 80Pa or less (Avg.56Pa)

Exhalation Resistance : 35Pa or less (Avg.20Pa)

Increased Value of
Inhalation Resistance : - (Avg. 81Pa)

Weight : 188g or less(Avg. 173g)

Headband : Type XRB

Replacement Parts
Inhalation Valve Round Shape	Exhalation Valve Type T-6K	Sponge Egg Shape	Facelet Type P
		Disposable	Disposable

Replacement Parts
Inhalation Valve Round Shape	Exhalation Valve Type T-1K	Sponge Egg Shape	Facelet Type P
		Disposable	Disposable

User Instruction : Model 1021R (PDF:453KB)

Replacement Filters / Optional Parts

Models 1005R / 1005RR

Model 1010A

1005 Mighty Micron Filter

Optional Parts

Carbon-blended filters for the use with Model 1005RR

1005KC Welder’s Ozone Filter
(for Model 1005RR)
1005KB Organic Odor Filter
(for Model 1005RR)

*Photo: 1005KC Welder’s Ozone Filter

1010 Mighty Micron Filter

Models 1021R / 1091D

1021/1091 Mighty Micron Filter

Optional Parts

1021/1091 KC Welder’s Ozone Filter
(for 1021 / 1091 series)
1021/1091 KB Organic Odor Filter
(for 1021 / 1091 series)

*Photo: 1021/1091 KC Welder’s Ozone Filter

Optional Parts

Fit Tester Type F

Alpha Ring Filter

Alpha Ring Filter contains fibrous glass filter molded to multiply cylindrical shape in cartridge. As the filtering area is as large as maximum 12 times of its foot print, it provides lower inhalation resistance while keeping long service life.

Respirator with bonnet-style facepiece enclosure ensuring exhalation valve movement

Replacement Filter: LAS-11 Alpha Ring Filter
Optional Parts: Fit Tester Type G

Filtering Efficiency : 95.0% or more (Avg.98.6%)

Inhalation Resistance : 80Pa or less (Avg.66Pa)

Exhalation Resistance : 55Pa or less (Avg.37Pa)

Increased Value of
Inhalation Resistance : - (Avg.113Pa)

Weight : 104g or less (Avg. 89g)

Headband : Type RB

Replacement Parts
Inhalation Valve Type 36	Exhalation Valve Type T-6K	Sponge Type A	Facelet Type P
		Disposable	Disposable

Compact, light-weight respirator with bonnet-style facepiece enclosure

Respirator with the use of carbon-blended filter for removal of low contamination of organic/ ozone odor

Filtering Efficiency : 95.0% or more (Avg.98.4%)

Inhalation Resistance : 70+10 -15Pa (Avg.70Pa)

Exhalation Resistance : 35±20Pa (Avg.35Pa)

Increased Value of
Inhalation Resistance : - (Avg. 124Pa)

Weight : 89±15g (Avg. 89g)

Headband : Type RB

Filtering Efficiency : 95.0% or more (Avg.97.3%)

Inhalation Resistance : 65±15Pa (Avg.68Pa)

Exhalation Resistance : 35±20Pa (Avg.37Pa)

Increased Value of
Inhalation Resistance : - (Avg. 112Pa)

Weight : 89±15g (Avg. 89g)

Headband : Type RB

Replacement Parts
Inhalation Valve Type 36	Exhalation Valve Type T-6K	Sponge Type A	Facelet Type P
		Disposable	Disposable

Replacement Parts
Inhalation Valve Type 36	Exhalation Valve Type T-6K	Sponge Type A	Facelet Type P
		Disposable	Disposable

User Instruction : Model 1180C (PDF:441KB)

Double cartridge respirator for easier breathing

Respirator for highly-toxic particulate environment such as asbestos, dioxin, etc

Filtering Efficiency : 95.0% or more (Avg.98.2%)

Inhalation Resistance : 64Pa or less (Avg.35Pa)

Exhalation Resistance : 52Pa or less (Avg.35Pa)

Increased Value of
Inhalation Resistance : - (Avg. 68Pa)

Weight : 167g or less(Avg. 147g)

Headband : Type RB

Filtering Efficiency : 99.9% or more (Avg.99.99%)

Inhalation Resistance : 115Pa or less (Avg.94Pa)

Exhalation Resistance : 45Pa or less (Avg.28Pa)

Increased Value of
Inhalation Resistance : - (Avg. 100Pa)

Weight : 390±30g (Avg. 390g)

Headband : Type HVI

Replacement Parts
Inhalation Valve Round Shape	Exhalation Valve Type T-6K	Sponge Egg Shape	Facelet Type P
		Disposable	Disposable

Replacement Parts
Inhalation Valve Type 29	IInhalation Valve on Nose Cup Type NC	Exhalation Valve Type T-6K
		-	-

Replacement Filters / Optional Parts

Models 1180 / 1180C

Model 1821H

LAS-51
Alpha Ring Filter
(1180)

LAS-51C
Alpha Ring Filter
(1180C)

Optional Parts

Fit Tester Type G

RD-5 Alpha Ring Filter
(2pcs per set)

Models 1121R

LAS-1 Alpha Ring Filter
(2pcs per set)

Optional Parts

Fit Tester Type F

Optional Parts

1121 KC Welder’s Ozone
Filter (for Model 1121R)

Photo: 1121 KC Welder’s Ozone Filter