We offer Rectangular Muffle Furnace.category : furnacesouter shell made out of thick mild steel duly finished in attractive stoving enamel paint. fitted with grooved refractory for supporting the heating elements made out of kanthal wire and are easily replaceable. Maximum temp. 1000oc with working temp. 940oc controlled by sunvic energy regulator. inner muffle size in mm & inches a. 225x100x100 (9x4x4) b. 250x125x125 (10x5x5) c. 300x125x125 (12x5x5) d. 300x150x150 (12x6x6) e. 300x200x200 (12x8x8) f. 350x175x125 (14x7x5) g. 475x175x125 (19x7x5) h. 450x225x225 (18x9x9) optional :-i) digital temp. Indicator- cum controller instead of energy regulator and pyrometer.