Specifications:
The document outlines various air handling units (AHUs) under the Sinteco Hygiene® brand, highlighting different construction materials and their applications. The units are made from welded stainless steel, sprayed polyurethane, and metal sheets, with options for polyester and polyurethane sandwiches with either stainless or galvanized steel.

Product Range and Materials:
1. Joint Panels and Aluminium Profiles: These units are not washable, have limited useful life, and are not suitable for water washing due to poor compactness of inner surfaces.
2. Monolithic Polyurethane/Polyester Panels with Galvanized Steel: Suitable for occasional washing, these units offer long durability, reusability, and reduced assembly times.
3. Monolithic Polyurethane/Polyester Panels with Stainless Steel: Designed for frequent washing, these units provide maximum hygiene, low bacterial retention, and are suitable for high-temperature cleaning.
4. TIG Welded Stainless Steel and Sprayed Polyurethane: These units are ideal for strong and frequent washing, offering excellent value for money and are suitable for sectors like food, micro-electronics, pharmaceuticals, and hospitals.

Features and Benefits:
- High-thickness seamless monolithic panels for durability.
- Smooth TIG welded stainless steel structure for hygiene.
- Absence of thermal bridges to prevent condensation.
- Washable and sanitizable with foam-based cleaning systems.
- Modular design for easy assembly and installation.

Applications:
The AHUs are suitable for various sectors including food, micro-electronics, pharmaceuticals, and hospitals, emphasizing hygiene and ease of maintenance.