REVIEWS. Here our customers speak of their personal experience!

Are you already a customer? What is your experience with our metrological products for trade and industry or our building biology technology and products for protection, relaxation and health in private households? Please share your personal experience with us.

Every single comment is valuable. It helps us a lot to sensitize even more people to this important health topic “shielding”.

Many thanks from the whole SFERICS® team!

Please share your personal experience!

4.9
Based on 247 reviews
5 star
93
93%
4 star
6
6%
3 star
1
1%
2 star
0%
1 star
0%
Showing 2 of 247 reviews (3 star). See all 247 reviews
Erich
Erich
Verified OwnerVerified Owner
3/5

could be cheaper

3 years ago
6.4 watt LED filament Pure-Z NEO | bright as 55 watts, 650 lumens | CRI 97 | flicker-free | warm white | E27 | clear
6,4 watt LED filament Pure-Z NEO | bright as 55 watts, 650 lumens | CRI 97 | flicker-free | warm white | E27
Dirk
Dirk
Verified OwnerVerified Owner
3/5

Quick delivery. Safely packaged. Unfortunately, it does not work with the GIGAHERTZ Comfort NA7 mains disconnector (but it does with the Eltako FR12 mains disconnector).

7 years ago
LED control lamp | simple control of the circuit shutdown using the demand switch or master switch
LED control lamp | simple control of the circuit shutdown using the demand switch or master switch