4″ Elbow
Original price was: $19.47.$17.98Current price is: $17.98.
Designed for a perfect fit, this reducer is crafted from galvanized steel for superior strength and durability compared to adjustable elbows. Solidly constructed to guard…
4″ High Output In Line Duct Fan 171 CFM
$123.58
The 4″ High-Output In-Line Duct Fan can be used for filters, intake, or exhaust. This fan is durable, high quality, and is powerful enough to…
4″ x 10″ Standard Carbon Air Filter
Original price was: $56.78.$52.42Current price is: $52.42.
The Standard Carbon Air Filter features a pre-installed flange and has a 180°F maximum operating temperature. With an average life span of 1.5 years, the…
4″ x 10″ Standard Carbon Air Filter
Original price was: $56.78.$52.42Current price is: $52.42.
Our filters will purify the air and eliminate any odors. These high quality filters will filter out mold and other particles that could affect or…
4″ x 8″ Standard Carbon Air Filter
$41.00
The Standard Carbon Air Filter features a pre-installed flange and has a 180°F maximum operating temperature. With an average life span of 1.5 years, the…
4″x8″ Funk Filter Carbon Air Filter
Original price was: $119.60.$110.40Current price is: $110.40.
Funk Filters keep your plants safe by removing 99.5% of all odors and most other airborne particles. Featuring an aluminum housing packed with a high…
4″x8″ Funk Filter Carbon Air Filter
Original price was: $119.60.$110.40Current price is: $110.40.
Funk Filters keep your plants safe by removing 99.5% of all odors and most other airborne particles. Featuring an aluminum housing packed with a high…
4” x 25’ Air Duct
Original price was: $21.32.$19.68Current price is: $19.68.
This Air Duct features dual layer foil for extra strength and tear resistance. It’s light proof, and available in pre-packaged 25’ lengths.…
4”x8” Funk Filter Replacement Pre-Filters
$4.70
The Funk Filter Replacement pre-filters work by trapping dust, airborne particles, and other contaminates. Individually sealed in plastic bags for cleanliness.…
4x4x4 ‘Y’ Connector
Original price was: $22.85.$21.10Current price is: $21.10.
These connectors have pre-installed exterior rubber gaskets, and are crafted from galvanized steel. If you’re looking for a perfect connection, with an airtight fit, these…
4×8 Funk Filter Carbon Air Filter
$76.89
The granular carbon has a 1050 mg/g iodine number providing more surface area and thus a longer filter life. The extra efficient 2 inch carbon…
