3-in-1 Transparent Acrylic Aquarium Filter Box External Hanging Water Purifier

Description: Item type: Water Purifier Specification: 2 boxes of upgrade (no water pump), 3 boxes of upgrade (no water pump), 4 boxes of upgrade (no water pump), Suitable thickness of tank: 1cm/0.39inor less(appr.) 2 Grids Size: 15x7x8cm / 5.9×2.75×3.14 inch 3 Grids Size: 21.7x7x8cm / 8.54×2.75×3.14 inch 4 Grids Size: 28.3x7x8cm / 11.14×2.75×3.14 inch Material: Acrylic Package includes: 1* Water Purifier (Not including filter material) Notes: A 1-2cm error might exist due to manual measurements, please kindly understand.