Thermo-insulating Polystyrene Cover Feeder that can be used on any 10-frame Dadant Blatt Beehive Size: 43.5 x 50With bell Art. C97 Usable for both liquid and solid feed. For liquid feed, use with the transparent plastic bell Item No. C97 (included). For solid food, place the open bag on the bottom of the cable cover and remove the bell. For data sheet SEE ANNEX.