router box storage box wall-mounted punch-free double-layer set-top box wireless wifi optical modem holder simple

9mm high density pvc board

[double-layer cooling hole super stable] 26cm [double layer solid board super stable] 26cm [double-layer cooling hole super stable] 30cm [double layer solid board super stable] 30cm [super stable double-layer cooling hole] 34cm [double layer solid board super stable] 34cm [double-layer cooling hole super stable] 40cm [double layer solid board super stable] 40cm [double-layer cooling hole super stable] 45cm [double layer solid board super stable] 45cm [single layer small size super stable] 20cm