1. Cleanwater Systems GmbH| Germany | www.cleanwatersys.com HOTEL-/ OFFICE-WATER FILTER

2. Bacteria-free water is vital. Therefore, water hygiene cannot be compromised. Cleanwater Systems GmbH| Germany | www.cleanwatersys.com HOTEL-/OFFICE-WATER FILTER Water Hygiene Your customers/guests rely on water of perfect quality Tests show that contaminated water is often present in hotels and public buildings Almost all cities have a high level of bacteria in the water systems Many organisms found in contaminated water, such as Legionella and Pseudomonas, are harmful to humans In the worst case, an infection from contaminated water can cause death Legionella in drinking water was found in a hotel in 1976 (USA). Two hundred people became ill, and thirty suffered death. INTRODUCTION

3. Cleanwater Systems GmbH| Germany | www.cleanwatersys.com HOTEL-/ OFFICE-WATER FILTER Possibilities for Water Purification Even if water looks clean, it can still contain harmful bacteria. Time-consuming Requires energy Boiling Method For example, with chlorine solution, chlorine tablets, bleaching powder, or iodine Costly No removal of bad tastes from water Chemical Disinfection Method Best-possible results Simple and intuitive handling Alternative water sources (such as bottled mineral water) are not necessary* Filtration Method WATER PURIFICATION *Depending on additional water pollution and bacteria

4. Cleanwater Systems GmbH| Germany | www.cleanwatersys.com HOTEL-/ OFFICE-WATER FILTER Clean and Safe Water Safe, clean water is also necessary for skin care and personal hygiene Many sicknesses are spread through contaminated water Your customers/guests can be easily infected by washing with contaminated water That is why the water hygiene in hotels, public buildings, and hospitals plays an increasingly important role. Clean water is not only vital for drinking and food preperation, but also for daily hygiene and skin care. INTRODUCTION

5. Cleanwater Systems GmbH| Germany | www.cleanwatersys.com HOTEL-/ OFFICE-WATER FILTER Give your company the competitive edge by marketing the availability of certified high-quality water in your facility. Your Benefits Awarded Certified Water Quality ADVANTAGES Point out the certified water quality by placing the Cleanwater Systems sticker on the mirrors in the bathroom or in the kitchen.

6. Cleanwater Systems GmbH| Germany | www.cleanwatersys.com HOTEL-/ OFFICE-WATER FILTER Your Responsibility Duty of care for your customers in the sense of clean water According to drinking water regulations, you have a duty to ensure optimum water quality The water filters from Cleanwater Systems have been designed to provide you and your customers or guests with clean drinking water to prevent acute and chronic diseases caused by germs. Water hygiene is often neglected. Cleanwater Systems water filters especially made for your customers. RESPONSIBILITY

7. Cleanwater Systems GmbH| Germany | www.cleanwatersys.com HOTEL-/ OFFICE-WATER FILTER Performance 100% (99.999%) removal of bacteria in water like Escherichia coli, Staphylocccus aureus, Salmonella typhi, Vibrio cholerae, Legionella pneumophila Inhibits self-contamination Significant and sustainable reduction of heavy metals such as Pb2+, Cd2+,Cr6+, As3+, etc. Elimination of odors and turbidity of any sedimentous kind Certified @ DIN 58355-3 and ASTM international D3863 PERFORMANCE

8. Cleanwater Systems GmbH| Germany | www.cleanwatersys.com HOTEL-/ OFFICE-WATER FILTER Data Sheet 1.10# filter case (exterior) 2.Unique dual ceramic-membranes cartridge Parameter Point-of-use (POU) Office-/Hotel water filter works with most standard water-systems Technology Dual ceramic membranes, without recontamination, micron ceramic filter or nano-fibrous web with activated carbon, CWS nano-cluster, nanosilver, nano-copper Output Approximately 12.7 cups/min (3 L/min) (0.2 MPa/29 psi) Working Pressure0.1 - 0.4 MPa (1-4 bar/14.5 - 58 psi) Filtration Finenessup to 0.1 micron Working Temperature 41 – 113°F (5 – 45°C) Ceramic Life Expectancy up to 7,925 gal (30,000 L) depending on water quality Weightapproximately 2.5 lbs (1,130 g) Exterior10# ABS plastic Dimensions of the Bottle 12.2" x 4.6" (31 cm x 11.6 cm) DATA SHEET

9. Cleanwater Systems GmbH| Germany | www.cleanwatersys.com HOTEL-/ OFFICE-WATER FILTER Continuous Quality Control QUALITY Cleanwater Systems GmbH stands for leading products in the field of water filtration We use innovative nanotechnology combined with existing filter carrier systems to achieve the best filter quality. Our developments ensure that our processes for water filtration always use the latest technology. Certified @ DIN 58355-3 and ASTM international D3863 Our filters have been tested by the renowned Max Planck Institute, confirming the high- quality, and have received certificates from an independent national hygiene institute in accordance with recognized international standards.

10. Cleanwater Systems GmbH| Germany | www.cleanwatersys.com HOTEL-/ OFFICE-WATER FILTER Summary Durability 30,000 liters Replacement rate in a two-person household about every three months Exchange The exchange takes place through local service agents or contractors Costs For costs see current price list Simple indicator of the need for filter replacement SUMMARY

11. Cleanwater Systems GmbH| Germany | www.cleanwatersys.com HOTEL-/ OFFICE-WATER FILTER Our Products COMPANY PROFILE Cleanwater Systems has developed: Water filters for catastrophe protection > Emergency Water Filter Water filters for normal civilian/outdoor use > Ourdoor Water Filter Point-of-use (POU) Under-the-sink and household filter systems > Hotel-/Office-/Refrigerator Water Filter Our products are designed to meet the following objectives: Best-possible results Simple and intuitive handling No addition of chemicals or energy required Lowest-possible unit costs (corruption protection) Almost any production quantities available

12. Cleanwater Systems GmbH| Germany | www.cleanwatersys.com HOTEL-/ OFFICE-WATER FILTER Product Overview COMPANY PROFILE 1.2.3.4. 1. Emergency Water Filter 2. Outdoor Water Filter 3. Household- /Hotel/ Office- Water Filter 4.Refrigerator Water Filter

13. Cleanwater Systems GmbH| Germany | www.cleanwatersys.com HOTEL-/ OFFICE-WATER FILTER Thank you for your interest! Cleanwater Systems GmbH Biegenstraße 21 35037 Marburg Germany Tel.: +49 (0)64 21 - 30 99 163 Fax: +49 (0)64 21 - 30 99 164 info@cleanwatersys.com www.cleanwatersys.com