Four Gang Masonry Box Extension, 2-1/2" Deep, with Conduit Knockouts
GI-TBX-425
$38.20
MSRP:
$68.28
This Garvin Industries TBX-425 Four Gang Masonry Box Extension is a practical solution for extending existing masonry boxes. The 2-1/2" depth and built-in conduit knockouts make it a versatile...
Masonry Box Extension Ring, 3-1/2 Inch Deep
GI-TBX-335
$37.05
MSRP:
$66.30
Introducing TBX-335 Masonry Box Extension Ring, an essential component from our series designed to enhance electrical installations in masonry walls. Crafted with precision by industry-leading...
Six Gang Masonry Box Extension, 3-1/2" Deep with Conduit Knockouts
GI-TBX-635
$103.45
MSRP:
$184.91
Garvin Industries' TBX-635 is a six gang masonry box extension designed to add depth to existing masonry boxes. The 3-1/2" deep extension is equipped with conduit knockouts, providing...
Two Gang Masonry Box Extension, 3-1/2" Deep with Conduit Knockouts
GI-TBX-235
$32.25
MSRP:
$57.64
This Two Gang Masonry Box Extension from Garvin Industries is a reliable solution for extending masonry boxes in a variety of settings. The 3-1/2" depth and built-in conduit knockouts make it...
5 Gang Mason Box Extension Ring, 3-1/2 Inch Deep
GI-TBX-535
$66.25
MSRP:
$118.44
This 5 Gang Mason Box Extension Ring is a practical solution for electricians needing to extend the capacity of an existing mason box. Its 3-1/2 inch depth provides ample space for additional...
