GroupSumi: Electrical, plumbing and construction material

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BLACK FRIDAY

Guaranteed gift on all your orders

With each order over €200.00 (or equivalent) we will add a totally free pair of wireless earbuds to your cart so you can enjoy your favorite music without cables or worries. Sounds good? 🙌🏼

Enjoy the clear sound of the black Crystal Air wireless earbuds, with transparent design, Bluetooth 5.3, and AAC audio. They offer low latency (31–40 ms), touch controls, IPX4 rating, and up to 12 hours of total battery life with their stylish USB-C LED case.

Plus, guaranteed discount on

everything

the catalogue

Unique BLACK discount coupon for each product in our catalog.
Remember to add it!

Up to

-75%

Up to

-65%

Up to

-50%

Promotion valid from November 1 to 30, 2025. Discounts apply only during the promotional period and may change without prior notice. Coupons must be applied at the time of purchase; discounts cannot be reserved or held outside of this period. The wireless earbuds gift will be delivered automatically with orders starting from €200.00 (taxes included, excluding shipping cost, or equivalent in other currencies), until stock lasts.

GroupSumi is your online distributor for construction, electrical material and climate control.

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