This Vitavia Automatic Roof Vent Opener is filled with wax, when the wax reaches a certain temperature it opens your greenhouse roof vent. Once the wax cools and solidifies the vent closes to keep the heat inside your greenhouse.
Vitavia COVID-19 Delivery Update
Vitavia are currently unable to deliver to the following postal codes:
IV, PH, AB, DD, PA, FK, KY, EH, G, ML, KA, TD, DG, NE, CA, DH, SR, DL, LA, BD, BB, PR, FY, BL, WN, L, WA, CH, LL, SY, SA, LD, HR, NP, CF, TA, EX, PL, TA, TR, TA, DT, BH, IM, GY, JE, HS, ZE, BT.
Normal deliveries to these postcodes will resume 15th April.