Lawn & Patio: iPower GLDUCT4X8C Non-Insulated Ducting Aluminum Foil Vent with 2 Clamps, 8-Feet 4-Inch, ProFlex Clothes Dryer Transition Duct, Fire-Resistance Coating. Strong & Flexible, Contains Corrosion Resistant Wire Helix, Temperature Range from 0 to 185+ F, Free Pair of 4-Inch Metal Clamps - iPower Grow Light

Home Improvement: Dundas Jafine BTD48TC ProFlex Clothes Dryer Transition Duct UL 2158A Listed & Marked With 2 Tension Clamps, 4-Inch by 8-Foot - Dundas Jafine

BISS: VenTech VT DUCT-4 VTD425 Aluminum Duct for Ventilation Ducting, 4 - VenTech

Home Improvement: VIVOSUN 25 Feet 4 Inch Non-insulated Flex Air Aluminum Duct for Ventilation Ducting w/ 2pcs 4 Inch Stainless Steel Clamps - VIVOSUN

Lawn & Patio: Hydro Crunch 4" Aluminum Ducting for Ventilation with Free Duct Clamps - Hydro Crunch

Home Improvement: NuTone WVK2A Flexible Wall Ducting Kit for Ventilation Fans, 4-Inch - NuTone

Home Improvement: TerraBloom 4 Inch Duct, Flexible Aluminum Ducting, 25 feet long with 2 Clamps, 4-inch Ducting, Ventilation Duct - TerraBloom

Home Improvement: Dundas Jafine FD420ZW Flexible White Vinyl Duct, 4-Inches by 20-Feet - Dundas Jafine

Lawn & Patio: iPower GLFANXINLINE4 High CFM Inline Ducting Fan, Hydroponic Air Blower Heat Air Conditioning Vent Exhaust, 4-Inch, 190 CFM; Pre-wired 5-feet UL Listed Power Cord - iPower Grow Light

BISS: Flexible Duct / 4" PVC Ducting / Exhaust Ducting - Impact Restoration Supply

Lawn & Patio: C.A.P. (Custom Automated Products) Lightproof Ducting with Clamps, 4-Inch by 25-Feet, Black - Hydrofarm, Inc.

Home Improvement: Lambro 60633 Semi-Rigid Aluminum Ducting - Lambro

Home Improvement: Deflecto Aluminum Duct, Semi Ridgid, Flexible, 6" x 8, Silver (A068/4-A) - Deflecto

Lawn & Patio: iPower GLFANXINL4FILT4MD8C 4Inch High CFM Inline Exhausting Fan & Carbon Air Filter w/1050+ IAV Australia Virgin Charcoal,Pre-Filter Included,Reversible Flange & 8Feet Ducting w/2Clamps Combo - iPower Grow Light

Home Improvement: Speedi-Products FD-25R6 04 4-Inch Diameter by 25-Feet Length R6 Insulated Flexible Duct with Metalized Jacket - Applied Applications International

BISS: Flex-Tube PV PVC Duct Hose, Clear, 4" ID, 0.032" Wall, 25 Length - Flexaust

Home: Powermaxx Premium Charcoal Carbon Filter and Inline Fan Combo with Speed Controller and Ducting(No Ducting, 4 inch) - Powermaxx

Major Appliances: Deflecto Supurr-Flex Aluminum Flex Ducting, 4" 5-ply, 8 Length (FO408B) - Deflecto

Lawn & Patio: Active Air Duct Coupler, 4" - Hydrofarm, Inc.

Home Improvement: 4 Inch Stainless Steel Ducting Clamps for Air Ventilation Hose (Set of 2) - Hydro Times

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