Features: 1.With this shading hood, to solve the trouble that many aquarists directly use the ultraviolet germicidal lamp to the aquarium. 2.It is designed to protect the fish from direct UV rays. 3.Made of high-quality plastic, durable to use. 4.With 3 size available for your choice. 5.Easy to install. Specification: Features:_x000D_ _x000D_ With this shading hood, to solve the trouble that many aquarists directly use the ultraviolet germicidal lamp to the aquarium. _x000D_ It is designed to protect the fish from direct UV rays. _x000D_ With 3 size available for your choice. _x000D_ Easy to install. _x000D_ Made of high-quality plastic, durable to use. _x000D_ _x000D_ Specification:_x000D_ Type: Hood_x000D_ Material: plastic_x000D_ Scope of application: Fish tank, aquarium ultraviolet light_x000D_ Packaging material: OPP bag_x000D_ Size:(Optional)_x000D_ A: Approx. 10 * 6cm / 3.9 * 2.4in_x000D_ B: Approx. 22 * 6cm / 8.7 * 2.4in_x000D_ C: Approx. 28 * 6cm / 11 * 2.4in_x000D_ _x000D_ Package list:_x000D_ 1 * Lampshade_x000D_ 1 * Bracket_x000D_ 2 * Edges_x000D_ _x000D_ Note:_x000D_ 1. Please allow slight error due to manual measurement._x000D_ 2. Different monitor colors may be different. Thanks for your kind understanding.