Replacement Knob fits Excalibur Dehydrator 5 & 9 Tray Temperature ON OFF Timer Food Dryer Part P50 3926T, 3900, 2900, 3526T, 3500, 2500, ED 600, ED 900, ED 300, ED 321. ED 500, ED 501 (2 Knobs Black) baking or cutting into strips

or cutting into strips

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Produces consistently successful results

14" x 14" dimensions - The exact size of the Excalibur Dehydrator Trays

Replacement Knob fits Excalibur Dehydrator 5 & 9 Tray Temperature ON OFF Timer Food Dryer Part P50 3926T, 3900, 2900, 3526T, 3500, 2500, ED 600, ED 900, ED 300, ED 321. ED 500, ED 501 (2 Knobs Black) baking or cutting into strips2 PACK Replacement Knobs Compatible with Excalibur Food Dehydrators that have 5 or 9 trays Diameter = 1. 5" Height when installed = 1" Shaft Length= 1 2" Shaft Style Fit = "D" shape This knob has a 1 2" shaft on the bottom that goes down into the dehydrator to fit over the metal "D" shaped shaft on the dehydrator dial This knob will work for models that have either 1 or 2 knobs. The single knob machine uses a knob for the temperature and to turn ON