Spira Manufacturing Corporation has been serving the EMC community with quality engineered Electromagnetic Interference (EMI) and Radio-Frequency Interference (RFI) shielding products since 1978. We proudly offer the finest and most reliable EMI/RFI shielding gaskets and honeycomb filters on the market, at very competitive prices. The strength of Spira lies in our exceptional products, on-time delivery, superior customer service, and technical support.