https://www.ebay.com/sch/i.html?_nkw=Davis+Instrument+Davis+Daytime+Fan+Aspirated+Radiation+Shield+Kit+7747&_sacat=0&_dmd=2

Davis Instrument Davis Daytime Fan Aspirated Radiation Shield Kit 7747

Regular price
$165.00
Sale price
$109.00

Daytime Fan Aspirated Radiation Shield Kit Product Description Add the benefits of fan aspiration to your wireless or cabled Vantage Pro2 or Pro2 Plus. Half the cost of our 24-hour fan aspirated radiation shield, but nearly 75% as effective in reducing the effects of daytime radiation. Solar-powered fan runs during the day. Since there is no backup battery, the fan will cease running when night falls and the effects of radiation are less. Kit includes fan, solar panel, additional radiation shiel