Brigham Round Hygrometer – Digital $33.00 Fits most round humidifier mounts! This device accurately measures Relative Humidity and Temperature to within 2 degrees. Instructions and batteries included. 3 in stock Brigham Round Hygrometer - Digital quantity Add to cart SKU: P-1412 Category: Hygrometers & Humidification Related products Boveda 2 Humidification Holder $42.00 Add to cart Brigham Crystal 250 Humidification $24.00 Add to cart Analog Hygrometer – Brass $14.00 Read more VCC&B PG Solution (16oz) $15.00 Add to cart