


SALE PROHIBITED TO PERSONS UNDER 18 - FREE SHIPPING FROM €40 (Mainland Spain only - Max. 25 Kg)
The 315-250 mm Metal Reducing Coupling is a galvanized steel adapter that allows you to connect extractors, filters, and ducts of different diameters. This accessory ensures firm and secure connections in indoor growing ventilation systems.

The 315-250 mm Metal Reducing Coupling is a practical and widely used component in ventilation systems for indoor growing. Often, the length of extraction equipment or activated carbon filters doesn't match the length of the flexible ducting used, making connection difficult.
This reducer solves the problem by allowing you to connect a 315 mm duct to a 250 mm extractor or filter, maintaining airtightness and efficient airflow. Made of galvanized steel , it offers excellent resistance to humidity and corrosion, common factors in indoor growing environments.
Its ease of installation and durability make it one of the most sought-after cannabis growing accessories for growers looking to maintain ventilation control in cheap indoor grow tents and larger rooms.
At Hydroponics Blanes , Grow Shop in Spain , this accessory is available with discreet shipping and fast delivery in 24/48 hours.
An indoor growing system needs to maintain a controlled climate to ensure optimal plant development. The 315-250 mm Metal Reducing Coupling facilitates the connection between ventilation components of different diameters, preventing incompatibilities and ensuring uninterrupted airflow. With this adapter, it's easy to integrate carbon filters, ducting, and exhaust fans into a single system.
The 315-250 mm Metal Reducing Coupling is used to connect extractors, ducts, and carbon filters of different sizes. Its main function is to ensure a constant, leak-free airflow, which is essential for maintaining proper pressure in extraction systems. This accessory prevents efficiency losses and creates a more stable environment within the grow area.
This indoor growing accessory is essential for growers looking to improve ventilation without needing to purchase additional equipment. It allows you to make the most of the components already installed, optimizing your investment in ventilation systems. Furthermore, its durability makes it perfect for continuous operation, typical of budget-friendly indoor grow tents and professional grow rooms.
The 315-250 mm Metal Reducing Coupling is primarily used to adapt a 315 mm carbon filter to a 250 mm extractor fan, or to connect a larger flexible duct to a smaller diameter unit. It can also be used in domestic or industrial air conditioning systems, although it is most commonly used in cannabis cultivation accessories , as it allows for climate control and efficient odor reduction.
Installing the 315-250 mm Metal Reducing Coupling is simple. Connect the 250 mm end to the corresponding extractor or duct, and the 315 mm end to the filter or duct. To ensure a secure fit, it is recommended to use metal clamps that guarantee an airtight seal, preventing air leaks and pressure loss. This quick assembly requires no specialized tools and results in a stable and safe system.
The 315-250 mm Metal Reducing Coupling is available at Hydroponics Blanes , a trusted grow shop specializing in cannabis cultivation accessories , ventilation systems, and affordable indoor grow tents . With discreet shipping throughout Spain and Europe, this Spanish grow shop also offers fertilizers, LED lighting, pots, trays, and everything else needed to maintain a complete and efficient indoor growing system.
The 315-250 mm Metal Reducing Coupling is a practical and durable reducer that facilitates the connection between filters, ducts, and extractors of different sizes. Its versatility, durability, and easy installation make it an essential accessory for any indoor growing project, providing safety and efficiency to ventilation systems.