- Material: Impact-resistant plastic connectors designed to withstand heavy loads and harsh weather, providing durable support for greenhouse frames. - Varieties: Four connector types are included to fit common frame configurations such as corners, T-joints, cross braces, and elbows. - Size and compatibility: Inner diameter 19 mm; compatible with PVC pipes or metal tubes with an outer diameter of 19 mm, suitable for most plant support poles or PVC pipelines used in greenhouse construction. - Performance: Delivers robust, stable connections that keep the frame aligned and reduce the risk of failure in strong winds or heavy rain. - Use scenarios: - Build a small hobby greenhouse using standard 19 mm PVC framing. - Reinforce an existing 19 mm tube frame to improve wind resistance. - Create hoop supports or cross-bracing for taller or wider greenhouse structures. - Why choose: Easy to install, reliable, weather-resistant, and compatible with common 19 mm pipe systems.