Features: Hollows design prevents debris from clogging while ensuring large displacement drainage. Plugs In designs, directly inserted into the PVC drain pipe. It can be used for outdoor drainage pipe, exhaust pipe end, balcony floor drain, garden floor drain and so on. Easy to install: No tool required, simply push them into holes. Keep your guttering system stays in perfect condition, without the need for costly repairs and constant unclogging. Specifications: Component: Stainless Steel Type: 50mm/63mm/75mm/90mm/110mm/160mm/180mm/200mm Size: As Shown in the Picture Package Includes: 1pc Roof Floor Drain note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.