Round ducting access doors is a simple and cost-effective solution for closing and sealing access openings in ductwork Product length and height: 7.09" x 3.15". Ducting diameter range is 3.78" to 4.13". Temperature Range: -22˚F to +248˚F, ensuring durability in various environments Crafted from galvanized steel sheet, ensuring resilience against diverse environmental conditions and offering prolonged service life. EPDM gasket and specialized design create an airtight seal around duct openings, secure closure with lock knobs for a tight seal after adjustment. The access door is fitted into the designated opening by utilizing the cutting template provided along with the product. With the current rapidly growing focus on quality of life and comfort requirements in residential and working premises, the importance of ventilation is more significant than ever. Even in the well designed and maintained building, a person can be uncomfortable if the system for air exchange is not working or is functioning incorrectly. In premises where the air is always fresh, people feel more active, relaxed, healthy, and have good appearance and capacity for work. Installation of a ventilation system is liable engineering and technical task. Our health depends upon the operation of ventilation system and its components. That is why the choice of ventilation equipment is primary for quality, reliability and environment friendly conditions. “Repa Market” is a young developing company which offers quality, reliable and functional products, interesting designer solutions, wide opportunities of choice and beneficial terms of cooperation. The strategic aim of Repa Market is to meet continuously growing consumer demand in quality products. The results of detailed marketing research underlie design and construction of various new developments. Quality materials, modern production equipment, the experience and knowledge of qualified specialists provide highly efficient, aesthetic, reliable and environmentally friendly products.