If you like convenience, you'll love The Tetenal Mono-PK RA-4 Kit just two bottles, color developer and bleach fix, complete the kit.
Room-temperature processing (16-25°C - 61-77°F) means you can use un-tempered devices such as trays or rotary print drums for fast processing.
Of course, using tempered devices such as the Jobo rotary or Nova slot processors adds to your speed and control.
The original room-temperature RA-4 kit.