ISINK2 (OEM Surejet # 4145144H) Red Ink Cartridge for Neopost IS280 Postage Meter Postageink.com products are exclusive and other companies do not sell our products. Make sure it is sold and shipped by Postageink.com or Fulfilled by Amazon from Postageink.com for True Postageink.com Quality! ISINK2 Neopost Ink Cartridge is a direct replacement for Neopost IS280 Postage Meters. (OEM) Sure.jet # 4145144H / Total Imprints 2,500 or 12 Months Free Same Day Shipping by Postageink.com! Postageink.com only sells Postage Meter Ink and Guarantees our Products 100%. Make sure it's shipping from Postageink.com or Fulfilled from Postageink.com by Amazon!