Draper-Expert-82456-FPM-Pump-Sprayer-2-5L-Draper-Expert-82456-Expert-Quality-h&-held-sprayer-with-Fluoropolymer-Elastomer-Rubber-FPM-seals-gaskets-which-make-FPM-sprayers-ideal-for-use-with-chemical-solvents-fuel-scale-removers-waterproofing-agents-anti-mould-solutions-oils-lubricants-&-the-only-choice-for-brake-cleaning-fluid-The-2-5-litre-bottle-capacity-has-an-actual-working-capacity-of-2-0-litres-the-other-0-5-litres-is-the-air-reserve-which-enables-the-pressurisation