This high-quality filter is not an original OEM part but is designed to replace discontinued filters, filters that are out of stock, or if you would just like to pay less. Then this is the product for you!

Boneco A250 Aqua Pro 2 Pack

• Significant reduction of water hardness
• Included Active Carbon absorbs impurities and removes odor from the water
• Extremely economic – lasts up to 6 months
• Includes a free water test strip to measure the lifetime of your A250 AQUA PRO
• for all Ultrasonics except U7131, U7136, U7137 and U7138