Best Ventilation Tube

Kaytee CritterTrail Fun-Nel Tube 4-Way Cross (Assorted Colors)

3.5" long straight Fun-nel Tube and Connector Ring is used to expand any CritterTrail habitat.
Easily connects to any CritterTrail habitat port and other Fun-nels tubes and accessories to expand your pet's living space.
Each tube has ventilation holes for your pet's safety.

【A Must Have Tool for a HVAC Tech】This swager tool kit is a must have for any HVAC/R professional, and can also be used for more general industrial work. Great for fixing heating, cooling, and ventilation systems, and well as refrigerators. Its size and shape allow for access to difficult to reach areas, behind or underneath units. The unique design reduces on-the-job tiredness, improving task efficiency..
【Wide Applications】Our tube expanding set comes with 7 tube expander head dies to choose for different tube sizes:3/8″, 1/2″, 5/8″, 3/4″, 7/8″, 1″ and 1-1/8″.
【Reset/Work Knob Design】 Switch the knob to make the tube expander tool reset & work, more durable than trigger-type snap..
【Easy to Use 】 Select the correct head, place it on the tool and make a quality swage. The tube expander with the thick and comfortable handle is easy to operate, simply press release trigger for easy tube release, ensuring no metal damage..
【Kit Included】Package includes 1x Hydraulic Tube Expander, 1x Deburring Tool, 1x Tube Cutter and 7x stainless steel Expander Heads, 1x User Manual. All in a decent storage suitcase..

Air Support Back Panel: Designed with Body Mapping Technology to allow for maximum ventilation on the hottest areas of your back.
Magnetic Tube Trap: Keeps your tube secure and accessible when you need it.
Removable Waist Strap: Added stability when you need it.
3D Vent Mesh Harness: Lightweight and breathable with added cargo. Designed for all-day comfort..

Air Support Back Panel: Designed with Body Mapping Technology to allow for maximum ventilation on the hottest areas of your back.
Magnetic Tube Trap: Keeps your tube secure and accessible when you need it.
Removable Waist Strap: Added stability when you need it.
3D Vent Mesh Harness: Lightweight and breathable with added cargo. Designed for all-day comfort..

Air Support Back Panel: Designed with Body Mapping Technology to allow for maximum ventilation on the hottest areas of your back.
Magnetic Tube Trap: Keeps your tube secure and accessible when you need it.
Removable Waist Strap: Added stability when you need it.
3D Vent Mesh Harness: Lightweight and breathable with added cargo. Designed for all-day comfort..

Applicability & compatibility: compatible with all 1.75mm E3D V6 Makerbot 3D printer.
NTC connector with terminal, easy to intall.
Anti-leakage & anti-blocking design: extruder nozzle connect connect with the tube seamless, prevent print material from leaking or blocking.
Heat resistant & ventilation: 12V/40W NTC heater, avoid NTC burn and break frequently, 304 stainless steel material nozzle throat and high quality....
Specification: brass material extruder nozzles, output diameter 0.3mm/ 0.4mm/ 0.5mm, input diameter (filament) 1.75mm.
Package include: all metal V6 hotend 12v/40w/1.75mm/0.4mm extruder full kit(V6 print head + fan + fan cover + PTFE tube + tube fitting ), 3 Pcs brass....

KEEPS YOU COZY: Stay warm in temperatures as low as 0°F.
BIG & TALL DESIGN: For campers up to 6 ft. 2 in..
PREVENTS HEAT LOSS: A draft tube along the zipper keeps body heat from escaping.
LIGHTWEIGHT: Hollow polyester insulation for better heat retention with less weight.
MUMMY-STYLE: Contoured top with adjustable drawstring for the perfect mix of warmth and ventilation.
NO-SNAG 2-WAY ZIPPER: Snag-free zipping and unzipping every time.
unzip from the bottom for more ventilation.

【Extra Spacious Acrylic Deluxe Hamster Mouse Palace】28″ x 18″ x 26″H (Included outside Tube) 【Extra Large Cage Size: 28″ x 18″ x 18″H 】【5.5-Inch Top Acrylic Transparent Clear Cover】【5.5-Inch Deep Acrylic Transparent Clear Base 】For More Play Ground Area (Easy See Through the Daily Activities of Your Pet). 【Expandable and Customizable】Extra Tube Set Needed..
【22″ x 8″ Top Wire Opening Door, 3/8-Inch Bar Spacing, Top Air Ventilation】【14″ x 6″ Front Opening Door】Easy Access For Your Pet. Cage Detaches Form the Base For Easy Cleaning；Long Crossover Tube Tunnel With Top Lookout Play Zone Tower；Front Long Crossover Tube Tunnel.
【2 Large Solid Acrylic Clear Flooring, Size: 17″ x 12″】, 【Paw Safe 2 Large Wide Solid Anti-Slip Step Ladders, Size: 4.5″ x 10″】, Paw Safe.
【7.5-Inch Extra Large Running Wheel】【 2 in 1 Water Bottle Tower With Mini Food Bowl】【3-Inch Acrylic Clear Food Bowl】【 Hide House】.
【Wire space: Tight 3/8-Inch】 For Baby to Adult Size Small Animal ；For Guinea Pig, Hamster, Habitat Rodent Gerbil, Rat, Mice or Other Small Animal Critters.

Applicability & compatibility: compatible with all 1.75mm E3D V6 Makerbot 3D printer.
NTC connector with terminal, easy to intall.
Anti-leakage & anti-blocking design: extruder nozzle connect connect with the tube seamless, prevent print material from leaking or blocking.
Heat resistant & ventilation: 12V/40W NTC heater, avoid NTC burn and break frequently, 304 stainless steel material nozzle throat and high quality....
Specification: brass material extruder nozzles, output diameter 0.3mm/ 0.4mm/ 0.5mm, input diameter (filament) 1.75mm.
Package include: all metal V6 hotend 12v/40w/1.75mm/0.4mm extruder full kit(V6 print head + fan + fan cover + PTFE tube + tube fitting ), 3 Pcs brass....