Feature
1. Brand new and high quality
2. It is used for tighting and protecting the original loudspeaker base
3. It can help preventing water dust moisture or other small things out from your loudspeaker base and make sure everything working fine
4. Easy to install just plug and play
5. Please double check the inner diameter before purchase

Specification
Material: ABS
Inner diameter: 10cm
Outer diameter: 13.5cm