The Embassy of the United States in Islamabad is currently inviting quotations for the Supply of Parts for WWTP Filtration System. Interested vendors are encouraged to review the RFQ carefully and ens... The Embassy of the United States in Islamabad is currently inviting quotations for the Supply of Parts for WWTP Filtration System. Interested vendors are encouraged to review the RFQ carefully and ensure full compliance with all stated terms and conditions. This procurement will be awarded on a Firm-Fixed Price basis.