Free Shipping
Free Returns*
1-Year Guarantee

Kalsten | Magnetic Window Cleaner - Cleaning windows has never been easier!

Regular price $58.99 $60.00 SAVE $1.01 (2% OFF) Sale price
/
3-Day Express Shipping
Easy 14-Day Returns
Support Mon–Fri

Window cleaning has never been easier!

*NOTE: The first 15 people can enjoy a 50% discount and receive 4 free cleaning sponges!

With the magnetic window cleaner, you can clean your windows very quickly, no matter where you live. As you clean both sides of the windows simultaneously, your windows will be cleaned twice as fast! Moreover, it is perfect for apartment dwellers and those who want to clean their windows on higher floors!

Makes all windows accessible!

Thanks to this great invention, it is possible to clean windows safely on an upper floor. With the magnet, you can clean both sides of the window at the same time.

Deep cleaning from the design

This magnetic window cleaner is known not only for its convenience but also for its efficiency. Its triangular shape ensures deep cleaning down to the smallest corners. The design includes replaceable sponges, with a squeegee underneath. Therefore, you only need to review your window once.

Temporarily 4 free cleaning sponges for the window washer!




About Science Factory

Science Factory was founded by true science enthusiasts. We stand for quality and also offer our products at competitive prices. Our products are delivered to your home FOR FREE and if you are not satisfied, you can return your purchase within 30 days of receipt.

Free standard shipping on all orders. No minimum purchase.

  • Ships to: United States
  • Processing: 1–4 business days (Mon–Fri)
  • Transit: 5–10 business days
  • Total delivery time: 6–14 business days
  • Order cut-off: 5:00 PM PST

You will receive a tracking number by email once your order ships. Please allow up to 48 hours for tracking to update.

See our full Shipping Policy.

You have 14 days from delivery to request a return.

  • Email support@open.shop with your order number to start a return.
  • Items must be unused, complete, and in their original packaging.
  • Return label: flat $9.99 USD, deducted from your refund — nothing to pay upfront.
  • Damaged, defective or incorrect items: we cover all return and replacement costs.
  • No restocking fees.
  • Exchanges: contact us and mention "exchange" — the new item ships once your return arrives.
  • Refunds are issued within 7 business days of inspection.

See our full Return Policy.

Questions about your order or our products? We're happy to help.

Open
Hooizolder 214
Drachten Friesland 9205CD
Netherlands

Email: support@open.shop

Customer Service:
Monday to Friday, 8:00 AM – 6:00 PM PST (excluding public holidays)

We reply to all messages within 24 hours on business days. Weekend messages are answered on Monday.

For quick answers, visit our FAQ page or use our Contact Form.