Products Introduction The Selection for Happy and Healthy

Products Introduction The Selection for Happy and Healthy life, Keosan will go forward together with you Keosan Co. , Ltd The company of Environmental-friendly Home Appliances

Sub Contents 1) Product Concept & Strong sales point 2) Characteristics of Product 3) Schematic diagram of Filter system 4) Basic Constitution of Filter 5) Display & Filter’s Control 6) Specification of 350 Series 7) Specification of 150 Series 1 The company of Environmental-friendly Home Appliances

1) Products Concept & Strong Sales Point ü Strong Sales Point • Using space: ü NBA-150 Series : Room Size 155 SQ. FT ( CADR : More than 100, Tobacco Smoke) ü NBA-350 Series : Room Size 325. 5 SQ. FT ( CADR : More than 210, Tobacco Smoke) • Purity Method : Purification of Interior-air through adoption of 5 step-filter of High Purity • Filter of High Efficiency : Maximization of Collection Efficiency and Minimization of Pressure Loss by using of HEPA Filters • Certification by CE Diminution Efficiency of Influenza virus type A (Bird flu) and Superiority of Antipsychotic Efficiency through embarkation of SKY-BIO filter of SK Chemical Company (Only NBA 150 S, 350 S) • Negative Ionizer can feel refreshment of woods (Only NBA 150 A/S, 350 A/S) ü The Adjustment of Notification Device of Filter’s Replacement and Cleanning ü The Noise Control Design • NBA-150 Series : Under 45 d. B (Turbo Mode) • NBA-350 Series : Under 50 d. B (Turbo Mode) ü Varied kinds of Function for Improvement of Study ability and Business efficiency -> For Students, Business men (Women) and Old ages , Elimination of VOCs ü Appearance of Cleanness Index • Through the Naked eye by Dual (Dust, Gas) sensor ( Only NBA 150 S, 350 S) ü Selection of varied kinds of Wind control : From 1 st stage to 3 rd stages (4 th Turbo) 2 The company of Environmental-friendly Home Appliances

2) Characteristics of Products • Using of Micro Dust Collection filter of High class (HEPA) and Deodorization filter of catalyst -> Elimination to VOCs from minute dust • Possibility of Virus & Bacteria’s restraint through adoption of Sterilization filter -> Adoption of SKY-BIO filter and Copper porous metal of sterilization • Winning prize of Venture Design -> Front panel of Streamline shape which is stressed by image of wind KS-150 KS-350 3 The company of Environmental-friendly Home Appliances

3) Schematic Diagram of Filter System Front Cover Pre filter Medium filter Deodorization (SKY BIO Filter) filter HEPA filter Antimicrobial Fan Negative Ionizer Sterilization Filter(Biometal) 4 The company of Environmental-friendly Home Appliances

4) Constitution of Filter Basic filters Pre Filter Large dusts which are originated at seat and indoor among inhaled air are filtered and this prefilter can be used continuously after washing. HEPA Filter Micro Dust Collection filters which are made by technology of HEPA filter media can eliminate minute dusts which can not be seen by eye and it has a excellent efficiency to eliminate pollen in spring and dust of yellow sand. Deodorization Filter The deodorization function to eliminate varied kinds of smells is excellent and this is adjustable filter for Household Smell. 5 The company of Environmental-friendly Home Appliances

5) Attachment of Technical Data(Functional Filters) Functional Filters Test report of Copper porous metal for Sterilization From ETL ■ Test date : Feb. 24, 2006 ■ Test Bacteria : E-coli / Serratia marsescens ■ Test lab. : INTERTEK ETL-SEMKO DIVISION ANALYTICAL LAB. (BIOLOGIST SHANNON MEIER) Escherichea coli Serratia marsescens The name of disease -Food poisoning, bad condition - Osteomy elitis , Urinary tract of lungs infection 6 The company of Environmental-friendly Home Appliances

Original of Test results of Sterilization Copper porous 7 The company of Environmental-friendly Home Appliances

Functional filters Test results of SKY BIO filter #1 Dimution efficiency of Influenza virus type A (Bird flu) 8 The company of Environmental-friendly Home Appliances

Test results of SKYBIO Filter #2 Sterilization Efficiency of Bacteria through using of material High Molecule. As a result of antibacterial test, Elimination rate of sterilization after 18 hours is 100% Test result of antibiotic efficiency 1. Test : Non-woven fabric spunbond / treatment density 3% 2. Antibiotic test : KS K 0693 -2001 3. Bacteria : Staphyococcus aureus (ATCC 6538) Klebsiella pneumonia (ATCC 4352) Item Blank Nanosilver SKYBIO (3%) SKYBIO (4%) First Concentration 1. 2× 105 After 18 hrs >106 N. D Elimination Rate - 0 100 Staphyococcus aureus (ATCC 6538) Klebsiella pneumonia (ATCC 4352) Sterilization ability of bacteria as a point which is taken by 3% was proven as 100% on filter was 9 The company of Environmental-friendly Home Appliances

Test results of SKYBIO Filter #3 Mold Efficiency through using of material of high molecule As a result of sterilization test of mold by ASTM’s method, hallow zone under treatment of 4% of SKYBIO was formed in case of 2 molds and remainders molds) was being grown on 1. Test Method : ASTM G 21 Method 2. Test bacteria : Penicillium citrinum (ATCC 9849) / Aspergillus niger (ATCC 9642) 10 The company of Environmental-friendly Home Appliances

6) Display and Filter’s Control Display Operation Mode : Quiet operation during sleeping / Auto operation mode due to sensor detection Notification function of Artificial intelligence : Notification of cleaning and replacement time of varied kinds of filters Sensor of high class : High performance sensor can display on large and small dust in detail Dual type sensor can perceive dust and gas. Simple control button : Simple control of power and wind through button key. Filter’s control The control of Air Cleaner is very easy because it has a function of cleaning and replacement. - Please use filters after washing, drying and cleaning if light for them (cleaning) is on. - Collection and carbon deodorization filters should be changed if notification device of filter replacement is on. Ø HEPA Filter : Replacement after 12 months Ø Deodorization carbon filter : replacement after 12 months ( Using after washing 1 time per month) Ø SKYBIO filter : replacement after 2 months as a attachment type of non-woven fabric. - You had better change filters some early, in case pollution condition is serious according to environment of users 11 The company of Environmental-friendly Home Appliances

7) Specification of 150 Series Classification Item Spec. Filters Function Contents KS-150 A KS -150 B KS -150 S Dimension& Weight (W)443×(D)270×(H)422 / 5. 9 kg Covers Area Room Size 155 SQ. FT ( CADR : More than 100, Tobacco Smoke) Noise level Under 45 d. B ( Turbo Mode) Pre Filter Elimination of Large dusts SKYBIO Filter Diminution efficiency of Influenza virus A( Bird flu ) Deodorization Filter The compound deodorization filter of catalyst method HEPA Filter for elimination of minute dusts Sterilization Filter Anti-Microbial Filter (Test by ETL SEMKO in USA) Auto operation mode O × O Alarm of filter Replacement O × O Negative ion O (Option) O Sensor (Dust/Gas) O/ × × /× O/O SKYBIO Filter (Option) O Sterilization Filter O (Option) O 12 The company of Environmental-friendly Home Appliances

8) Specification of 350 Series Classification Item Spec. Filters Function Contents KS-350 A KS -350 B KS -350 S Dimension& Weight (W)443×(D)270×(H)783 / 10. 45 kg Covers Area Room Size 325. 5 SQ. FT ( CADR : More than 210, Tobacco Smoke) Noise level Under 50 d. B (Turbo Mode ) Pre Filter Elimination of Large dusts SKYBIO Filter Diminution efficiency of Influenza virus A( Bird flu ) Deodorization Filter The compound deodorization filter of catalyst method HEPA Filter for elimination of minute dusts Sterilization Filter Anti-Microbial Filter (Test by ETL SEMKO in USA) Auto operation mode O × O Alarm of filter Replacement O × O Negative ion O (Option) O Sensor (Dust/Gas) O/ × × /× O/O SKYBIO Filter (Option) O Sterilization Filter O (Option) O 13 The company of Environmental-friendly Home Appliances