Selling both for 1 low price includes air/liquid side rebuild kits. Will sell 1 pump with rebuild kits for $300. The liquid side rebuild kits are for harsh chemicals and cost over $1000 each...the air side rebuild kits were $600 each...1 liquid side and 2 air side rebuild kits comes with each pump. The pumps are made of aluminum and have 1 inch inlet and outlet connections. When new these pumps cost over $3000 each. Text me at (four four three) six five three- two six zero seven.