DUCLEAN — Always Putting Customers First
Customer Support
Tel: 1577-6182
Notice
DUCLEAN always puts customers first.
| No. | Title | Date |
| Notice | DUCLEAN ESG Management Announcement 2025.03.18 | 2025.03.18 |
| Notice | DUCLEAN Designated as Outstanding Environmental Enterprise 2024.10.28 | 2024.10.28 |
| Notice | DUCLEAN Registered as Environmental Consulting Firm 2024.10.28 | 2024.10.28 |
| 30 | InterBattery 2026 Exhibition Participation 2026.01.26 | 2026.01.26 |
| 29 | DUCLEAN 29th Anniversary — Message from Mayor of Incheon 2025.12.02 | 2025.12.02 |
| 28 | Holiday Notice: Dec. 5 Foundation Day 2025.12.02 | 2025.12.02 |
| 27 | New Product Launch: 'ZFB-200' 2025.11.03 | 2025.11.03 |
| 24 | IFAT India 2025 — Environmental Exhibition Participation 2025.10.13 | 2025.10.13 |
| 22 | 2025 Exhibition Participation [Asia Machinery & Manufacturing Expo, ESG Green Fair] 2025.09.12 | 2025.09.12 |
| 21 | [Press] Arirang TV|K-TECH GREEN SOLUTIONS 2025 EP.01 DUCLEAN 2025.08.06 | 2025.08.06 |
| 12 | Blower Performance Improvement Notice (7.5HP, 10HP) 2025.01.20 | 2025.01.20 |
FAQ
- What is the filter replacement interval?
- It varies by environment and contaminant concentration, generally 6 months to 1 year. See the Filter Replacement Guide (/en/change/) for details.
- Where can I download catalogs and technical documents?
- Product catalogs, technical documents, and certificates are available free of charge on our Download page (/en/download/).
- How do I request A/S or technical support?
- Submit a request via our A/S page (/en/as/) or call 1577-6182. Our dedicated engineers respond Mon–Fri 09:00–18:00.