gold tool air & gas powered melting furnace table model available in different size : 
-> melting furnace table model (gas & electric) 1 kg. :
 material melting capacity : 1 kg.,
 first time melting duration : 15 miniutes, 
maximum number of crucible put in chamber : 1, 
blower size : 25, 
power supply : 0.12 hp, 
shipping dimension : 20"x12"x22" (15"x12"x13"),
 approx weight in 40 kg.
 -> melting furnace table model (gas & electric) 3 kg :
 material melting capacity : 3 kg, 
first time melting duration approx : 15 miniutes,
 maximum number of crucible put in chamber : 3, 
blower size : 25,
 power supply : 0.12 hp, 
shipping dimension : 20"x12"x22" (15"x12"x13"),
 approx weight in 40 kg,
-> melting furnace table model (gas & electric) 5 kg :
 material melting capacity : 5 kg,
 first time melting duration approx : 25 miniutes,
 maximum number of crucible put in chamber : 5,
 blower size : 25, 
power supply : 0.12 hp, 
shipping dimension : 20"x12"x22" (15"x12"x13"), 
approx weight in 40 kg,

 -> melting furnace table model (gas & electric) 10 kg :
material melting capacity : 10 kg,
 first time melting duration approx : 35 minutes, 
maximum number of crucible put in chamber : 8, 
blower size : 35,
 power supply : 0.25 hp,
 shipping dimension : 22"x15"x20" (18"x15"x16"), 
approx weight in 60 kg.