Allen 20mm High Load Back to Back Block Select (See Table Below):AL-2028-HL 20MM HL DYNAMIC: BACK TO BACK - EACH 5 US GPM) Flow Rate

5 US GPM) Flow Rate 1 Metre Head 2820 LPH (750 US GPH) / 47 LPM (12

IEC 61000-6-2

All this makes the Rule 240 blower a very efficient ventilator which can handle high volumes of air flow

For use on twin or split backstays - for backstay wire of up to 10mm (dia) Sheave dia: 35mm Sheave width: 8mm Max rope diameter: N/A Max wire diameter: 5mm SWL: N/A Break load: N/A Weight: 277g

Choice of Top Plates

Allen 20mm High Load Back to Back Block Select (See Table Below):AL-2028-HL 20MM HL DYNAMIC: BACK TO BACK - EACH 5 US GPM) Flow Rate20mm High load back to back block. The Allen 20mm dynamic ball bearing block is simply the best designed and engineered micro block on the market. Featuring Allen's high load stainless steel sheave & dynamic bearing system to withstand extreme loads. Allen High Load Blocks fit between the standard dynamic range and the XHL range featuring a stainless steel sheave which runs on a double race of stainless steel ball bearings. By utilising a stainless