4 x 4 Coupler

Festa Sun offers high-quality 4x4 couplers designed for secure and flexible pipe connections. Whether you need a 4x4 coupling for radon mitigation system installations or a 4x4 flexible coupling to connect different types of fans, our products ensure durability and reliability. These 4x4 couplers are perfect for both residential and commercial use, providing long-lasting performance and easy installation to keep your systems running smoothly.  The 4x 4 Coupler is made of flexible rubber and is available from Fernco in white or grey and from Eastman in black and will fit the following fan models: AMG Maverick, Maverick-LV, Force, and Patriot.   (Coupler interior measures approximately 4.5" x 4.5")