Can this be run in the best value vac RS-1?

Its motor oil, its viscosity is what matters. This will run on all vacuum pumps.

is this oil the same as the black gold dvo-12 that is used in harvest right food freeze dryer?

Of course nothing is like Black Gold but this is the oil I use in the HRFD and have had great success. I drain the oil as soon as I hit the defrost. Freeze the oil and then I filter it through the Harvey Filter and then the toilet paper filter. I've used this oil for almost two years I am very happy with it.

Is this correct? 4 gallons for $39.72? Some customer reviews state they only received 1 gallon.

Yes, we bought 13204. It came in one box. Four (4) one gallon jugs for $76.92 from ToolTopia. We just bought it again but this time it was $39.72 plus free shipping from Farm and City Supply. Shipping weight is 31 pounds. One gallon weighs about 8 pounds. 4x8 = 32.

ASIN	B008PAZ15Q
Best Sellers Rank	356,259 in Business, Industry & Science ( See Top 100 in Business, Industry & Science ) 601 in Lab Vacuum & Pump Equipment
Brand	Robinair
Customer Reviews	4.6 4.6 out of 5 stars (286)
Date First Available	17 May 2011
Item Weight	376 g
Item model number	13119
Manufacturer	Robinair
Manufacturer part number	13119
Model	13119
Product Dimensions	26.16 x 21.34 x 25.15 cm; 376.48 g

Robinair 13119 Premium High Vacuum Pump Oil; 1 Pint (Single)

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