... to place an order of cage: • Brand name/ original manufacturer of the original dust collector or baghouse • How does the cage load? ( ... bottom load) • If the cage loads from the top, what kind of top does it have? (turned down flange top, ring top, split ... cage loads from the bottom, what kind of bottom does it have? (split collar, split ring top) • Material type (carbon steel, mild steel, galvanized ...