Best Passive Ventilation

Tjernlund V2D Model UnderAire Crawl Space Fan Ventilator Deluxe 2 Fan 220 CFM and 950-8304 Underaire Steel Crawl Space Vent Steel Diamond Pattern 18 x 10 Screen bundle

Power ventilate musty, damp crawl spaces through existing passive vents.
Faceplate is sized for ventilation openings through standard block foundations.
220 CFM, 40 watt maintenance free exhaust fans.
Includes adjustable dehumidistat, freeze protection limit and 6 foot grounded power cord.
Sturdy Galvanized Steel Construction Increases Product Durability and Lifespan.

CONSTRUCTION - MIPS - Multi-Directional Impact Protection System. I.M. Construction fuses a tough polycarbonate outer shell with the helmet's impact-absorbing foam liner. The fusion process allows for better ventilation systems, making I.M. helmets lighter and cooler than traditional helmets..
FIT SYSTEM - In Form 2 Fit System is lighter and lower profile than the original, making it even easier to dial in a custom fit in seconds-even with gloves on. An improved dial design provides up to 6cm of adjustment plus enhanced stability. The updated, easy adjust Vertical Tuning feature accommodates different goggles and head shapes for a custom fit free of gaper gap..
VENTILATION - Passive Aggressive Venting System — The discreet exterior vent design and interior channeling combine to create optimal airflow and temperature regulation. This auto-venting technology manages airflow and temperature while in-motion riding, hiking or standing static..
SEAMLESS COMPATIBILITY WITH ALL GIRO GOGGLES - Giro products have been meticulously designed and tested to work together. We've fine-tuned the pairings of our helmets and goggles using exhaustive testing in our Dome R&D center and translating those findings into the perfect Seamless Compatibility fit. We recommend Gi....

Durable: 42U server rack is made of heavy-duty cold-rolled steel with black powder coating. Max weight capacity 881 Lbs.
Versatile: Fits 19" IT data center servers and routers, cable modems, telecom and A/V devices. Floor mount to use stationary or install the included casters for easy mobility.
Space-Efficient: Small footprint keeps networking equipment organized, adjust depths for various device sizes to accommodate your available floor space.
Ventilation: Open rack design promotes passive airflow from all sides to keep heat-sensitive devices cool.
Easy Access: Open rack design and casters provides easy provide easy access to servers and A/V components and hassle-free cable maintenance with the included cable hooks.

Direction (1-4 Way): 2 way.Installation: Surface Mounted.Installation Type: Surface Mounted.Number of Ways: 1.Power (Watts): 25+ watts.Size (Diameter) in mm: 100.Diameter (mm): 100.Speakers Format: Round.System/Single Speaker: Single Speaker.Type of Set: Pair.Wattage: 40.Ways: 2.Year of Introduction: 2001.Year of introduction: 2001.

SUNFLOWER SHAPE: Bring nature into your home with our Passive Sunflower Diffuser. Reusable passive diffusion makes for a cost-effective, decorative way to bring your favorite essential oils to any room. A beautiful sunflower-shaped top and natural wood base make this the perfect addition to your home or office..
CHIC PASSIVE DIFFUSION: The chic sunflower top is porous and unglazed, allowing essential oils to absorb and gently scent the air in a 160-foot radius without using any heat or electricity. Just apply 5-6 drops of your favorite essential oil or blend directly to the flower and enjoy the benefits of your Passive Sunflower Diffuser..
FILLS THE ROOM WITH YOUR FAVORITE SCENTS: Instead of using a mist or heat to disperse your essential oils, this passive diffuser gently fills your space when the essential oils evaporate..
GENTLE OPTION: Unlike traditional diffusion, passive diffusion is much gentler. This makes is a good option for small spaces or those who are more sensitive to smells..
THE HIGHEST QUALITY: At Plant Therapy, our goal is to positively impact the lives of as many people as we possibly can, by selling such a high-quality passive diffuser at an affordable price. Be confident knowing you are purchasing quality oils and body care at direct....

Advanced Filtration Tecnology: The filter element of this mask has 5 layers of protection, bringing you a safe breathing experience. (50PCS in total).
Wearing a mask with additional filter reduces the risk of breathing in harmful particles..
Warm Tips: Masks Replacement Filters, disposable supplies cannot be washed. Recommend replacement of 1~2 times a week..
Unique Ventilation Design: Excellent permeability easily be doubled up for extra protection.Suitable for prevent fog, haze, ehicle exhaust, passive smoking, etc..
The mask filter provide comfortable protection for people.Suggest replace the fliters every week of uses for the best effect..

These universal unisex Passive 3D TV Glasses are not only stylish but also very comfortable to wear for long periods..
Circularly polarized 3D glasses work with your circular polorised passive 3D television. For all circular passive 3D Tvs, in RealD cinemas and with....
The polarised passive technology gives enhanced 3 dimensional viewing when compared to anaglyph 3D without the complication and expense of active....
Digicharge compatible with Samsung Sony LG Panasonic etc using circular technology passive 3D TV’s.
Strong, durable, stylish and comfortable to wear one size fits all glasses..

These universal unisex Passive 3D TV Glasses are not only stylish but also very comfortable to wear for long periods..
Circularly polarized 3D glasses work with your circular polorised passive 3D television. For all circular passive 3D Tvs, in RealD cinemas and with....
The polarised passive technology gives enhanced 3 dimensional viewing when compared to anaglyph 3D without the complication and expense of active....
Digicharge compatible with Samsung Sony LG Panasonic etc using circular technology passive 3D TV’s.
Strong, durable, stylish and comfortable to wear one size fits all glasses..

PLEASE MAKE SURE YOUR TV IS COMPATIBLE WITH **PASSIVE** **REALD** GLASSES - OTHERWISE THEY WILL NOT WORK!!!.
See crystal clear 3D motion pictures with RealD technology glasses on all passive 3D screens. For example passive LG, Philips, Sony, Vizio, Toshiba,....
Use these glasses at home for your TV, home Theater or at the Cinema if you do not like to share glasses with strangers..
The glasses are made of high quality scratch resistant lenses with strong black plastic frames..
Passive RealD Technology 3D glasses with black frame. Will work with all passive RealD technology compatible screens – the most common 3D technology....