One Gang Masonry Box Extension, 2-1/2" Deep with Conduit Knockouts
GI-TBX-125
$16.40
MSRP:
$29.31
This One Gang Masonry Box Extension from Garvin Industries is the perfect solution for adding depth to existing masonry boxes. The 2-1/2" depth and built-in conduit knockouts make it versatile...
Five Gang Masonry Box Extension, 2-1/2" Deep with Conduit Knockouts
GI-TBX-525
$51.60
MSRP:
$92.23
The Garvin TBX-525 Five Gang Masonry Box Extension is designed to provide a seamless solution for extending existing masonry boxes. This 2-1/2" deep extension comes equipped with conduit...
Three Gang Masonry Box Extension, 2-1/2" Deep with Conduit Knockouts
GI-TBX-325
$33.85
MSRP:
$60.58
Garvin Industries' TBX-325 is a robust solution for extending masonry boxes, providing an additional 2-1/2" depth and conduit knockouts for greater wiring flexibility.
Key Features and...
Two Gang Masonry Box Extension, 2-1/2" Deep with Conduit Knockouts
GI-TBX-225
$21.60
MSRP:
$38.67
The Garvin TBX-225 Two Gang Masonry Box Extension is designed to provide additional space and accessibility for electrical wiring in masonry applications. This 2-1/2" deep extension is equipped...
Masonry Box, Four Gang, 2-1/2" Deep, Non-Gangable, with Conduit Knockouts
GI-TB-425
$9.30
MSRP:
$25.86
This Four Gang Masonry Box is designed for solid and secure installation in masonry walls. Its 2-1/2" depth provides ample space for wiring and electrical components, while the non-gangable...
